Home / 87,164,145.90-120,277,619.91-53,668,305.90

Finding the Fourth Proportional to 87,164,145.90, 120,277,619.91 and 53,668,305.90

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Solution

The fourth proportional to 87,164,145.90, 120,277,619.91 and 53,668,305.90 is: 74,056,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,164,145.90 : 120,277,619.91 = 53,668,305.90 : x
  2. Step 2: Convert to fraction form
    87,164,145.90/120,277,619.91 = 53,668,305.90/x
  3. Step 3: Cross multiply
    87,164,145.90x = 120,277,619.91 × 53,668,305.90
  4. Step 4: Simplify right side
    87,164,145.90x = 6,455,096,098,253,810
  5. Step 5: Solve for x
    x = 6,455,096,098,253,810/87,164,145.90
  6. Step 6: Final answer
    x = 74,056,781.39

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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.