And the answer is....

....149,299,200

Yea, if horoscopes and zodiac signs really works, then in every 149299200 people, you will meet someone exactly like you :D

How did i derived with such conclusion?

Zodiac Signs - 12 animals
Horoscopes - 12 per year
Types in each horoscopes signs - 3 (early, mid and end)
Types in each Zodiac Signs - 4 (wood, water, earth, gold)
Types per day - 86400 (per seconds - yea 86400 seconds in 24hrs)

Total 149299200

So, no, the answer to the universe is not 42, it's 149299200 :D