Home / 71,587,575.42-107,181,247.77-38,680,243.26

Finding the Fourth Proportional to 71,587,575.42, 107,181,247.77 and 38,680,243.26

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Solution

The fourth proportional to 71,587,575.42, 107,181,247.77 and 38,680,243.26 is: 57,912,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,587,575.42 : 107,181,247.77 = 38,680,243.26 : x
  2. Step 2: Convert to fraction form
    71,587,575.42/107,181,247.77 = 38,680,243.26/x
  3. Step 3: Cross multiply
    71,587,575.42x = 107,181,247.77 × 38,680,243.26
  4. Step 4: Simplify right side
    71,587,575.42x = 4,145,796,736,653,932
  5. Step 5: Solve for x
    x = 4,145,796,736,653,932/71,587,575.42
  6. Step 6: Final answer
    x = 57,912,238.43

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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.