Home / 80,407,288.33-120,306,568.36-47,635,446.32

Finding the Fourth Proportional to 80,407,288.33, 120,306,568.36 and 47,635,446.32

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Solution

The fourth proportional to 80,407,288.33, 120,306,568.36 and 47,635,446.32 is: 71,272,855.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,407,288.33 : 120,306,568.36 = 47,635,446.32 : x
  2. Step 2: Convert to fraction form
    80,407,288.33/120,306,568.36 = 47,635,446.32/x
  3. Step 3: Cross multiply
    80,407,288.33x = 120,306,568.36 × 47,635,446.32
  4. Step 4: Simplify right side
    80,407,288.33x = 5,730,857,079,237,868
  5. Step 5: Solve for x
    x = 5,730,857,079,237,868/80,407,288.33
  6. Step 6: Final answer
    x = 71,272,855.96

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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.