Home / 57,672,046.60-86,508,069.90-55,121,129.80

Finding the Fourth Proportional to 57,672,046.60, 86,508,069.90 and 55,121,129.80

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Solution

The fourth proportional to 57,672,046.60, 86,508,069.90 and 55,121,129.80 is: 82,681,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672,046.60 : 86,508,069.90 = 55,121,129.80 : x
  2. Step 2: Convert to fraction form
    57,672,046.60/86,508,069.90 = 55,121,129.80/x
  3. Step 3: Cross multiply
    57,672,046.60x = 86,508,069.90 × 55,121,129.80
  4. Step 4: Simplify right side
    57,672,046.60x = 4,768,422,549,705,373
  5. Step 5: Solve for x
    x = 4,768,422,549,705,373/57,672,046.60
  6. Step 6: Final answer
    x = 82,681,694.70

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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.