Home / 163,757,772.90-225,986,819.13-89,418,849.62

Finding the Fourth Proportional to 163,757,772.90, 225,986,819.13 and 89,418,849.62

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Solution

The fourth proportional to 163,757,772.90, 225,986,819.13 and 89,418,849.62 is: 123,398,609.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,757,772.90 : 225,986,819.13 = 89,418,849.62 : x
  2. Step 2: Convert to fraction form
    163,757,772.90/225,986,819.13 = 89,418,849.62/x
  3. Step 3: Cross multiply
    163,757,772.90x = 225,986,819.13 × 89,418,849.62
  4. Step 4: Simplify right side
    163,757,772.90x = 20,207,481,394,757,672
  5. Step 5: Solve for x
    x = 20,207,481,394,757,672/163,757,772.90
  6. Step 6: Final answer
    x = 123,398,609.04

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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.