PS4 will sell an average of 20 million console systems over the next 10 years with peak years selling  25 million in its 3rd, 4th and 5th years with 4th year peak of 30 million console systems.

The PS4 can reach 100 million sales during 2018 before it reaches its 5th year aniversay. Become the fastest selling console of all time eclisping both Wii and PS2 to 100 million sales.

PS4 will sell double the combined sales of Wii U and XBox One. The PS4 will finish above 70% total market share and replicate the PS2 generation. 8th generation should sell over 300 million console sales and improve upon the total sales of 7th generation.

The PS4 has a large range of exclusive game series that will help boost PS4 sales. Multi-platform games will sell a lot more on PS4 and PS4 sales will be boosted by multi-platform titles.  The PS4 will sell 1.5 to 2 million sales in its peak sales week during Xmas periods in its peak sales years.

PS4 will sell 15 million in 2014.
PS4 will sell 20 million in 2015.
PS4 will sell 25 million in 2016.
PS4 will sell 30 million in 2017.
PS4 will sell 25 million in 2018.
PS4 will sell 20 million in 2019.
PS4 will sell 15 million in 2020.
PS4 will sell 50 millions more sales after the  PS5 arrives in 2020.

Price cuts in 2015, 2017 and 2019 will boost PS4 sales and exclusive games and multiplatform games will ensure the PS4 easily sells over 150 million and pushes towards 200 million life time sales target.

Can it? Yes
Will it ? Nope

 Are you a Gilgamesh alt by any chance? I am asking, because this prediction is just...............

atleast he didn't say 240 million!

Lol.

It will be the closest of the three to 200million I can tell you that

Hey sweet, crazzyman is bac...

Wait a minute. Imposter!

I like your enthusiasm, but I don't think so. o.o;

If market grow perhaps. However most people are thinking the market will shrink this gen. So your predictions may not be crazy if the market grows.