Home / 159,126,035.91-238,689,120.09-71,585,302.05

Finding the Fourth Proportional to 159,126,035.91, 238,689,120.09 and 71,585,302.05

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Solution

The fourth proportional to 159,126,035.91, 238,689,120.09 and 71,585,302.05 is: 107,377,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,126,035.91 : 238,689,120.09 = 71,585,302.05 : x
  2. Step 2: Convert to fraction form
    159,126,035.91/238,689,120.09 = 71,585,302.05/x
  3. Step 3: Cross multiply
    159,126,035.91x = 238,689,120.09 × 71,585,302.05
  4. Step 4: Simplify right side
    159,126,035.91x = 17,086,632,757,691,372
  5. Step 5: Solve for x
    x = 17,086,632,757,691,372/159,126,035.91
  6. Step 6: Final answer
    x = 107,377,982.87

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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.