Home / 115,342,196.28-159,172,715.96-62,418,906.43

Finding the Fourth Proportional to 115,342,196.28, 159,172,715.96 and 62,418,906.43

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Solution

The fourth proportional to 115,342,196.28, 159,172,715.96 and 62,418,906.43 is: 86,138,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,342,196.28 : 159,172,715.96 = 62,418,906.43 : x
  2. Step 2: Convert to fraction form
    115,342,196.28/159,172,715.96 = 62,418,906.43/x
  3. Step 3: Cross multiply
    115,342,196.28x = 159,172,715.96 × 62,418,906.43
  4. Step 4: Simplify right side
    115,342,196.28x = 9,935,386,864,135,598
  5. Step 5: Solve for x
    x = 9,935,386,864,135,598/115,342,196.28
  6. Step 6: Final answer
    x = 86,138,353.39

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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.