Home / 82,755,209.20-124,132,813.80-69,841,192.90

Finding the Fourth Proportional to 82,755,209.20, 124,132,813.80 and 69,841,192.90

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Solution

The fourth proportional to 82,755,209.20, 124,132,813.80 and 69,841,192.90 is: 104,761,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,755,209.20 : 124,132,813.80 = 69,841,192.90 : x
  2. Step 2: Convert to fraction form
    82,755,209.20/124,132,813.80 = 69,841,192.90/x
  3. Step 3: Cross multiply
    82,755,209.20x = 124,132,813.80 × 69,841,192.90
  4. Step 4: Simplify right side
    82,755,209.20x = 8,669,583,793,825,583
  5. Step 5: Solve for x
    x = 8,669,583,793,825,583/82,755,209.20
  6. Step 6: Final answer
    x = 104,761,789.35

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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.