Home / 80,672,175.20-120,992,516.40-26,819,487.20

Finding the Fourth Proportional to 80,672,175.20, 120,992,516.40 and 26,819,487.20

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Solution

The fourth proportional to 80,672,175.20, 120,992,516.40 and 26,819,487.20 is: 40,223,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,672,175.20 : 120,992,516.40 = 26,819,487.20 : x
  2. Step 2: Convert to fraction form
    80,672,175.20/120,992,516.40 = 26,819,487.20/x
  3. Step 3: Cross multiply
    80,672,175.20x = 120,992,516.40 × 26,819,487.20
  4. Step 4: Simplify right side
    80,672,175.20x = 3,244,957,244,885,590
  5. Step 5: Solve for x
    x = 3,244,957,244,885,590/80,672,175.20
  6. Step 6: Final answer
    x = 40,223,995.90

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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.