2,6,18,54 because they have a common ratio of 3
This should be it. Hope that helps!
Answer:
Step-by-step explanation:
X + x + 2 + x + 4 = -213
3x + 6 = -213
3x = -219
x = -73
-73 + 2 = -71
-73 + 4 = -69
Solution: -73, -71, -69
10.5671641791 is the answer.
