Home / 42,179,998.20-63,269,997.30-13,429,040.10

Finding the Fourth Proportional to 42,179,998.20, 63,269,997.30 and 13,429,040.10

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Solution

The fourth proportional to 42,179,998.20, 63,269,997.30 and 13,429,040.10 is: 20,143,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,179,998.20 : 63,269,997.30 = 13,429,040.10 : x
  2. Step 2: Convert to fraction form
    42,179,998.20/63,269,997.30 = 13,429,040.10/x
  3. Step 3: Cross multiply
    42,179,998.20x = 63,269,997.30 × 13,429,040.10
  4. Step 4: Simplify right side
    42,179,998.20x = 849,655,330,868,591.62
  5. Step 5: Solve for x
    x = 849,655,330,868,591.62/42,179,998.20
  6. Step 6: Final answer
    x = 20,143,560.15

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Similar ratio
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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.