Two thirds of a number is four times less than two and one third of 30. What's the number

Two thirds of a number is four times less than two and one third of 30. What's the number

Let this number be a, then:
2A / 3 + 4 = 30 * 2 and 1 / 3
2a/3+4=30*7/3
2a/3+4=70
2a/3=66
a/3=33
a=99