Finding the Fourth Proportional to 139,968,137.30, 195,501,895.90 and 139,968,137.30

Step by Step Solution

1. Step 1: Write the proportion equation
   139,968,137.30 : 195,501,895.90 = 139,968,137.30 : x
2. Step 2: Convert to fraction form
   139,968,137.30/195,501,895.90 = 139,968,137.30/x
3. Step 3: Cross multiply
   139,968,137.30x = 195,501,895.90 × 139,968,137.30
4. Step 4: Simplify right side
   139,968,137.30x = 27,364,036,207,741,512
5. Step 5: Solve for x
   x = 27,364,036,207,741,512/139,968,137.30
6. Step 6: Final answer
   x = 195,501,895.90