Home / 50,420,971.78-69,581,098.11-29,231,881.47

Finding the Fourth Proportional to 50,420,971.78, 69,581,098.11 and 29,231,881.47

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Solution

The fourth proportional to 50,420,971.78, 69,581,098.11 and 29,231,881.47 is: 40,340,087.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,420,971.78 : 69,581,098.11 = 29,231,881.47 : x
  2. Step 2: Convert to fraction form
    50,420,971.78/69,581,098.11 = 29,231,881.47/x
  3. Step 3: Cross multiply
    50,420,971.78x = 69,581,098.11 × 29,231,881.47
  4. Step 4: Simplify right side
    50,420,971.78x = 2,033,986,412,613,580.25
  5. Step 5: Solve for x
    x = 2,033,986,412,613,580.25/50,420,971.78
  6. Step 6: Final answer
    x = 40,340,087.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.