Home / 87,428,898.39-131,134,360.83-29,130,279.96

Finding the Fourth Proportional to 87,428,898.39, 131,134,360.83 and 29,130,279.96

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Solution

The fourth proportional to 87,428,898.39, 131,134,360.83 and 29,130,279.96 is: 43,692,425.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,428,898.39 : 131,134,360.83 = 29,130,279.96 : x
  2. Step 2: Convert to fraction form
    87,428,898.39/131,134,360.83 = 29,130,279.96/x
  3. Step 3: Cross multiply
    87,428,898.39x = 131,134,360.83 × 29,130,279.96
  4. Step 4: Simplify right side
    87,428,898.39x = 3,819,980,643,353,558
  5. Step 5: Solve for x
    x = 3,819,980,643,353,558/87,428,898.39
  6. Step 6: Final answer
    x = 43,692,425.66

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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.