Home / 87,480,279.60-131,220,419.40-29,953,431.60

Finding the Fourth Proportional to 87,480,279.60, 131,220,419.40 and 29,953,431.60

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Solution

The fourth proportional to 87,480,279.60, 131,220,419.40 and 29,953,431.60 is: 44,930,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480,279.60 : 131,220,419.40 = 29,953,431.60 : x
  2. Step 2: Convert to fraction form
    87,480,279.60/131,220,419.40 = 29,953,431.60/x
  3. Step 3: Cross multiply
    87,480,279.60x = 131,220,419.40 × 29,953,431.60
  4. Step 4: Simplify right side
    87,480,279.60x = 3,930,501,857,021,213.50
  5. Step 5: Solve for x
    x = 3,930,501,857,021,213.50/87,480,279.60
  6. Step 6: Final answer
    x = 44,930,147.40

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Double scale
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Similar ratio
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1.5x scale

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.