Home / 80,458,317.30-120,687,475.95-29,342,003.70

Finding the Fourth Proportional to 80,458,317.30, 120,687,475.95 and 29,342,003.70

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Solution

The fourth proportional to 80,458,317.30, 120,687,475.95 and 29,342,003.70 is: 44,013,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,458,317.30 : 120,687,475.95 = 29,342,003.70 : x
  2. Step 2: Convert to fraction form
    80,458,317.30/120,687,475.95 = 29,342,003.70/x
  3. Step 3: Cross multiply
    80,458,317.30x = 120,687,475.95 × 29,342,003.70
  4. Step 4: Simplify right side
    80,458,317.30x = 3,541,212,365,868,561
  5. Step 5: Solve for x
    x = 3,541,212,365,868,561/80,458,317.30
  6. Step 6: Final answer
    x = 44,013,005.55

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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.