Home / 87,817,354.38-121,187,830.17-48,661,666.83

Finding the Fourth Proportional to 87,817,354.38, 121,187,830.17 and 48,661,666.83

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Solution

The fourth proportional to 87,817,354.38, 121,187,830.17 and 48,661,666.83 is: 67,153,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,817,354.38 : 121,187,830.17 = 48,661,666.83 : x
  2. Step 2: Convert to fraction form
    87,817,354.38/121,187,830.17 = 48,661,666.83/x
  3. Step 3: Cross multiply
    87,817,354.38x = 121,187,830.17 × 48,661,666.83
  4. Step 4: Simplify right side
    87,817,354.38x = 5,897,201,815,583,162
  5. Step 5: Solve for x
    x = 5,897,201,815,583,162/87,817,354.38
  6. Step 6: Final answer
    x = 67,153,034.35

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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.