Home / 57,672,022.60-86,508,033.90-55,121,105.80

Finding the Fourth Proportional to 57,672,022.60, 86,508,033.90 and 55,121,105.80

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Solution

The fourth proportional to 57,672,022.60, 86,508,033.90 and 55,121,105.80 is: 82,681,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672,022.60 : 86,508,033.90 = 55,121,105.80 : x
  2. Step 2: Convert to fraction form
    57,672,022.60/86,508,033.90 = 55,121,105.80/x
  3. Step 3: Cross multiply
    57,672,022.60x = 86,508,033.90 × 55,121,105.80
  4. Step 4: Simplify right side
    57,672,022.60x = 4,768,418,489,151,887
  5. Step 5: Solve for x
    x = 4,768,418,489,151,887/57,672,022.60
  6. Step 6: Final answer
    x = 82,681,658.70

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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.