Home / 80,474,000.30-120,711,000.45-29,357,686.70

Finding the Fourth Proportional to 80,474,000.30, 120,711,000.45 and 29,357,686.70

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Solution

The fourth proportional to 80,474,000.30, 120,711,000.45 and 29,357,686.70 is: 44,036,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,474,000.30 : 120,711,000.45 = 29,357,686.70 : x
  2. Step 2: Convert to fraction form
    80,474,000.30/120,711,000.45 = 29,357,686.70/x
  3. Step 3: Cross multiply
    80,474,000.30x = 120,711,000.45 × 29,357,686.70
  4. Step 4: Simplify right side
    80,474,000.30x = 3,543,795,732,454,659
  5. Step 5: Solve for x
    x = 3,543,795,732,454,659/80,474,000.30
  6. Step 6: Final answer
    x = 44,036,530.05

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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.