Home / 82,377,177.70-123,565,766.55-73,130,104.30

Finding the Fourth Proportional to 82,377,177.70, 123,565,766.55 and 73,130,104.30

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Solution

The fourth proportional to 82,377,177.70, 123,565,766.55 and 73,130,104.30 is: 109,695,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,377,177.70 : 123,565,766.55 = 73,130,104.30 : x
  2. Step 2: Convert to fraction form
    82,377,177.70/123,565,766.55 = 73,130,104.30/x
  3. Step 3: Cross multiply
    82,377,177.70x = 123,565,766.55 × 73,130,104.30
  4. Step 4: Simplify right side
    82,377,177.70x = 9,036,377,395,710,950
  5. Step 5: Solve for x
    x = 9,036,377,395,710,950/82,377,177.70
  6. Step 6: Final answer
    x = 109,695,156.45

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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.