Home / 138,525,006.60-207,650,457.90-65,613,634.20

Finding the Fourth Proportional to 138,525,006.60, 207,650,457.90 and 65,613,634.20

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Solution

The fourth proportional to 138,525,006.60, 207,650,457.90 and 65,613,634.20 is: 98,355,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,525,006.60 : 207,650,457.90 = 65,613,634.20 : x
  2. Step 2: Convert to fraction form
    138,525,006.60/207,650,457.90 = 65,613,634.20/x
  3. Step 3: Cross multiply
    138,525,006.60x = 207,650,457.90 × 65,613,634.20
  4. Step 4: Simplify right side
    138,525,006.60x = 13,624,701,186,113,102
  5. Step 5: Solve for x
    x = 13,624,701,186,113,102/138,525,006.60
  6. Step 6: Final answer
    x = 98,355,535.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.