Home / 71,542,685.70-107,314,028.55-17,689,997.70

Finding the Fourth Proportional to 71,542,685.70, 107,314,028.55 and 17,689,997.70

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Solution

The fourth proportional to 71,542,685.70, 107,314,028.55 and 17,689,997.70 is: 26,534,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,542,685.70 : 107,314,028.55 = 17,689,997.70 : x
  2. Step 2: Convert to fraction form
    71,542,685.70/107,314,028.55 = 17,689,997.70/x
  3. Step 3: Cross multiply
    71,542,685.70x = 107,314,028.55 × 17,689,997.70
  4. Step 4: Simplify right side
    71,542,685.70x = 1,898,384,918,227,234.25
  5. Step 5: Solve for x
    x = 1,898,384,918,227,234.25/71,542,685.70
  6. Step 6: Final answer
    x = 26,534,996.55

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Double scale
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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.