Home / 87,654,286.62-121,001,658.03-52,384,534.38

Finding the Fourth Proportional to 87,654,286.62, 121,001,658.03 and 52,384,534.38

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Solution

The fourth proportional to 87,654,286.62, 121,001,658.03 and 52,384,534.38 is: 72,313,810.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,654,286.62 : 121,001,658.03 = 52,384,534.38 : x
  2. Step 2: Convert to fraction form
    87,654,286.62/121,001,658.03 = 52,384,534.38/x
  3. Step 3: Cross multiply
    87,654,286.62x = 121,001,658.03 × 52,384,534.38
  4. Step 4: Simplify right side
    87,654,286.62x = 6,338,615,515,109,538
  5. Step 5: Solve for x
    x = 6,338,615,515,109,538/87,654,286.62
  6. Step 6: Final answer
    x = 72,313,810.99

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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.