Home / 80,474,030.30-120,711,045.45-29,357,716.70

Finding the Fourth Proportional to 80,474,030.30, 120,711,045.45 and 29,357,716.70

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Solution

The fourth proportional to 80,474,030.30, 120,711,045.45 and 29,357,716.70 is: 44,036,575.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,474,030.30 : 120,711,045.45 = 29,357,716.70 : x
  2. Step 2: Convert to fraction form
    80,474,030.30/120,711,045.45 = 29,357,716.70/x
  3. Step 3: Cross multiply
    80,474,030.30x = 120,711,045.45 × 29,357,716.70
  4. Step 4: Simplify right side
    80,474,030.30x = 3,543,800,674,881,924
  5. Step 5: Solve for x
    x = 3,543,800,674,881,924/80,474,030.30
  6. Step 6: Final answer
    x = 44,036,575.05

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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.