Finding the Fourth Proportional to 139,968,140.05, 195,501,899.75 and 139,968,140.05

Step by Step Solution

1. Step 1: Write the proportion equation
   139,968,140.05 : 195,501,899.75 = 139,968,140.05 : x
2. Step 2: Convert to fraction form
   139,968,140.05/195,501,899.75 = 139,968,140.05/x
3. Step 3: Cross multiply
   139,968,140.05x = 195,501,899.75 × 139,968,140.05
4. Step 4: Simplify right side
   139,968,140.05x = 27,364,037,284,249,064
5. Step 5: Solve for x
   x = 27,364,037,284,249,064/139,968,140.05
6. Step 6: Final answer
   x = 195,501,899.75