Home / 52,086,167.11-78,121,645.46-15,188,141.94

Finding the Fourth Proportional to 52,086,167.11, 78,121,645.46 and 15,188,141.94

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Solution

The fourth proportional to 52,086,167.11, 78,121,645.46 and 15,188,141.94 is: 22,779,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,086,167.11 : 78,121,645.46 = 15,188,141.94 : x
  2. Step 2: Convert to fraction form
    52,086,167.11/78,121,645.46 = 15,188,141.94/x
  3. Step 3: Cross multiply
    52,086,167.11x = 78,121,645.46 × 15,188,141.94
  4. Step 4: Simplify right side
    52,086,167.11x = 1,186,522,639,480,198.75
  5. Step 5: Solve for x
    x = 1,186,522,639,480,198.75/52,086,167.11
  6. Step 6: Final answer
    x = 22,779,995.25

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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.