Home / 50,420,607.68-75,649,972.32-19,737,115.88

Finding the Fourth Proportional to 50,420,607.68, 75,649,972.32 and 19,737,115.88

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Solution

The fourth proportional to 50,420,607.68, 75,649,972.32 and 19,737,115.88 is: 29,613,135.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,420,607.68 : 75,649,972.32 = 19,737,115.88 : x
  2. Step 2: Convert to fraction form
    50,420,607.68/75,649,972.32 = 19,737,115.88/x
  3. Step 3: Cross multiply
    50,420,607.68x = 75,649,972.32 × 19,737,115.88
  4. Step 4: Simplify right side
    50,420,607.68x = 1,493,112,269,998,632.25
  5. Step 5: Solve for x
    x = 1,493,112,269,998,632.25/50,420,607.68
  6. Step 6: Final answer
    x = 29,613,135.16

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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.