Home / 42,003,277.92-63,006,919.68-20,412,156.96

Finding the Fourth Proportional to 42,003,277.92, 63,006,919.68 and 20,412,156.96

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Solution

The fourth proportional to 42,003,277.92, 63,006,919.68 and 20,412,156.96 is: 30,619,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,003,277.92 : 63,006,919.68 = 20,412,156.96 : x
  2. Step 2: Convert to fraction form
    42,003,277.92/63,006,919.68 = 20,412,156.96/x
  3. Step 3: Cross multiply
    42,003,277.92x = 63,006,919.68 × 20,412,156.96
  4. Step 4: Simplify right side
    42,003,277.92x = 1,286,107,134,074,273
  5. Step 5: Solve for x
    x = 1,286,107,134,074,273/42,003,277.92
  6. Step 6: Final answer
    x = 30,619,208.73

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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.