Home / 57,672,064.60-86,508,096.90-55,121,147.80

Finding the Fourth Proportional to 57,672,064.60, 86,508,096.90 and 55,121,147.80

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Solution

The fourth proportional to 57,672,064.60, 86,508,096.90 and 55,121,147.80 is: 82,681,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672,064.60 : 86,508,096.90 = 55,121,147.80 : x
  2. Step 2: Convert to fraction form
    57,672,064.60/86,508,096.90 = 55,121,147.80/x
  3. Step 3: Cross multiply
    57,672,064.60x = 86,508,096.90 × 55,121,147.80
  4. Step 4: Simplify right side
    57,672,064.60x = 4,768,425,595,121,622
  5. Step 5: Solve for x
    x = 4,768,425,595,121,622/57,672,064.60
  6. Step 6: Final answer
    x = 82,681,721.70

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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.