Home / 261,650,793.90-392,381,712.45-132,215,385.90

Finding the Fourth Proportional to 261,650,793.90, 392,381,712.45 and 132,215,385.90

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Solution

The fourth proportional to 261,650,793.90, 392,381,712.45 and 132,215,385.90 is: 198,275,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,650,793.90 : 392,381,712.45 = 132,215,385.90 : x
  2. Step 2: Convert to fraction form
    261,650,793.90/392,381,712.45 = 132,215,385.90/x
  3. Step 3: Cross multiply
    261,650,793.90x = 392,381,712.45 × 132,215,385.90
  4. Step 4: Simplify right side
    261,650,793.90x = 51,878,899,531,679,584
  5. Step 5: Solve for x
    x = 51,878,899,531,679,584/261,650,793.90
  6. Step 6: Final answer
    x = 198,275,337.74

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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.