Home / 102,545,404.47-141,512,646.78-55,502,469.90

Finding the Fourth Proportional to 102,545,404.47, 141,512,646.78 and 55,502,469.90

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Solution

The fourth proportional to 102,545,404.47, 141,512,646.78 and 55,502,469.90 is: 76,593,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,545,404.47 : 141,512,646.78 = 55,502,469.90 : x
  2. Step 2: Convert to fraction form
    102,545,404.47/141,512,646.78 = 55,502,469.90/x
  3. Step 3: Cross multiply
    102,545,404.47x = 141,512,646.78 × 55,502,469.90
  4. Step 4: Simplify right side
    102,545,404.47x = 7,854,301,418,376,282
  5. Step 5: Solve for x
    x = 7,854,301,418,376,282/102,545,404.47
  6. Step 6: Final answer
    x = 76,593,402.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.