Home / 99,612,000.10-149,418,000.15-61,148,793.70

Finding the Fourth Proportional to 99,612,000.10, 149,418,000.15 and 61,148,793.70

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Solution

The fourth proportional to 99,612,000.10, 149,418,000.15 and 61,148,793.70 is: 91,723,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,612,000.10 : 149,418,000.15 = 61,148,793.70 : x
  2. Step 2: Convert to fraction form
    99,612,000.10/149,418,000.15 = 61,148,793.70/x
  3. Step 3: Cross multiply
    99,612,000.10x = 149,418,000.15 × 61,148,793.70
  4. Step 4: Simplify right side
    99,612,000.10x = 9,136,730,466,238,920
  5. Step 5: Solve for x
    x = 9,136,730,466,238,920/99,612,000.10
  6. Step 6: Final answer
    x = 91,723,190.55

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1.5x scale

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.