Home / 80,474,098.80-120,711,148.20-29,357,785.20

Finding the Fourth Proportional to 80,474,098.80, 120,711,148.20 and 29,357,785.20

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Solution

The fourth proportional to 80,474,098.80, 120,711,148.20 and 29,357,785.20 is: 44,036,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,474,098.80 : 120,711,148.20 = 29,357,785.20 : x
  2. Step 2: Convert to fraction form
    80,474,098.80/120,711,148.20 = 29,357,785.20/x
  3. Step 3: Cross multiply
    80,474,098.80x = 120,711,148.20 × 29,357,785.20
  4. Step 4: Simplify right side
    80,474,098.80x = 3,543,811,960,100,966.50
  5. Step 5: Solve for x
    x = 3,543,811,960,100,966.50/80,474,098.80
  6. Step 6: Final answer
    x = 44,036,677.80

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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.