Finding the Fourth Proportional to 139,968,308.80, 195,502,136 and 139,968,308.80

Step by Step Solution

1. Step 1: Write the proportion equation
   139,968,308.80 : 195,502,136 = 139,968,308.80 : x
2. Step 2: Convert to fraction form
   139,968,308.80/195,502,136 = 139,968,308.80/x
3. Step 3: Cross multiply
   139,968,308.80x = 195,502,136 × 139,968,308.80
4. Step 4: Simplify right side
   139,968,308.80x = 27,364,103,342,707,600
5. Step 5: Solve for x
   x = 27,364,103,342,707,600/139,968,308.80
6. Step 6: Final answer
   x = 195,502,136