Home / 82,257,242.13-122,650,462.29-79,997,289.30

Finding the Fourth Proportional to 82,257,242.13, 122,650,462.29 and 79,997,289.30

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Solution

The fourth proportional to 82,257,242.13, 122,650,462.29 and 79,997,289.30 is: 119,280,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,257,242.13 : 122,650,462.29 = 79,997,289.30 : x
  2. Step 2: Convert to fraction form
    82,257,242.13/122,650,462.29 = 79,997,289.30/x
  3. Step 3: Cross multiply
    82,257,242.13x = 122,650,462.29 × 79,997,289.30
  4. Step 4: Simplify right side
    82,257,242.13x = 9,811,704,514,591,870
  5. Step 5: Solve for x
    x = 9,811,704,514,591,870/82,257,242.13
  6. Step 6: Final answer
    x = 119,280,737.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.