Home / 129,129,904.20-193,694,856.30-47,248,624.20

Finding the Fourth Proportional to 129,129,904.20, 193,694,856.30 and 47,248,624.20

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Solution

The fourth proportional to 129,129,904.20, 193,694,856.30 and 47,248,624.20 is: 70,872,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,129,904.20 : 193,694,856.30 = 47,248,624.20 : x
  2. Step 2: Convert to fraction form
    129,129,904.20/193,694,856.30 = 47,248,624.20/x
  3. Step 3: Cross multiply
    129,129,904.20x = 193,694,856.30 × 47,248,624.20
  4. Step 4: Simplify right side
    129,129,904.20x = 9,151,815,474,791,704
  5. Step 5: Solve for x
    x = 9,151,815,474,791,704/129,129,904.20
  6. Step 6: Final answer
    x = 70,872,936.30

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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.