Home / 87,440,217.30-131,160,325.95-84,920,793.30

Finding the Fourth Proportional to 87,440,217.30, 131,160,325.95 and 84,920,793.30

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Solution

The fourth proportional to 87,440,217.30, 131,160,325.95 and 84,920,793.30 is: 127,381,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,440,217.30 : 131,160,325.95 = 84,920,793.30 : x
  2. Step 2: Convert to fraction form
    87,440,217.30/131,160,325.95 = 84,920,793.30/x
  3. Step 3: Cross multiply
    87,440,217.30x = 131,160,325.95 × 84,920,793.30
  4. Step 4: Simplify right side
    87,440,217.30x = 11,138,238,929,160,576
  5. Step 5: Solve for x
    x = 11,138,238,929,160,576/87,440,217.30
  6. Step 6: Final answer
    x = 127,381,189.95

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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.