Home / 57,672,060.60-86,508,090.90-55,121,143.80

Finding the Fourth Proportional to 57,672,060.60, 86,508,090.90 and 55,121,143.80

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Solution

The fourth proportional to 57,672,060.60, 86,508,090.90 and 55,121,143.80 is: 82,681,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672,060.60 : 86,508,090.90 = 55,121,143.80 : x
  2. Step 2: Convert to fraction form
    57,672,060.60/86,508,090.90 = 55,121,143.80/x
  3. Step 3: Cross multiply
    57,672,060.60x = 86,508,090.90 × 55,121,143.80
  4. Step 4: Simplify right side
    57,672,060.60x = 4,768,424,918,362,371
  5. Step 5: Solve for x
    x = 4,768,424,918,362,371/57,672,060.60
  6. Step 6: Final answer
    x = 82,681,715.70

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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.