Home / 231,755,209.20-347,632,813.80-88,129,378.80

Finding the Fourth Proportional to 231,755,209.20, 347,632,813.80 and 88,129,378.80

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Solution

The fourth proportional to 231,755,209.20, 347,632,813.80 and 88,129,378.80 is: 132,194,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,755,209.20 : 347,632,813.80 = 88,129,378.80 : x
  2. Step 2: Convert to fraction form
    231,755,209.20/347,632,813.80 = 88,129,378.80/x
  3. Step 3: Cross multiply
    231,755,209.20x = 347,632,813.80 × 88,129,378.80
  4. Step 4: Simplify right side
    231,755,209.20x = 30,636,663,930,690,068
  5. Step 5: Solve for x
    x = 30,636,663,930,690,068/231,755,209.20
  6. Step 6: Final answer
    x = 132,194,068.20

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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.