Home / 42,680,306.07-64,032,446.30-17,139,251.61

Finding the Fourth Proportional to 42,680,306.07, 64,032,446.30 and 17,139,251.61

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Solution

The fourth proportional to 42,680,306.07, 64,032,446.30 and 17,139,251.61 is: 25,713,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,680,306.07 : 64,032,446.30 = 17,139,251.61 : x
  2. Step 2: Convert to fraction form
    42,680,306.07/64,032,446.30 = 17,139,251.61/x
  3. Step 3: Cross multiply
    42,680,306.07x = 64,032,446.30 × 17,139,251.61
  4. Step 4: Simplify right side
    42,680,306.07x = 1,097,468,208,253,817.25
  5. Step 5: Solve for x
    x = 1,097,468,208,253,817.25/42,680,306.07
  6. Step 6: Final answer
    x = 25,713,691.14

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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.