Finding the Fourth Proportional to 158,492,719.30, 221,436,310.70 and 158,492,719.30

Step by Step Solution

1. Step 1: Write the proportion equation
   158,492,719.30 : 221,436,310.70 = 158,492,719.30 : x
2. Step 2: Convert to fraction form
   158,492,719.30/221,436,310.70 = 158,492,719.30/x
3. Step 3: Cross multiply
   158,492,719.30x = 221,436,310.70 × 158,492,719.30
4. Step 4: Simplify right side
   158,492,719.30x = 35,096,043,034,602,688
5. Step 5: Solve for x
   x = 35,096,043,034,602,688/158,492,719.30
6. Step 6: Final answer
   x = 221,436,310.70