Home / 308,231,616.48-425,378,741.04-170,876,352.48

Finding the Fourth Proportional to 308,231,616.48, 425,378,741.04 and 170,876,352.48

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Solution

The fourth proportional to 308,231,616.48, 425,378,741.04 and 170,876,352.48 is: 235,819,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,231,616.48 : 425,378,741.04 = 170,876,352.48 : x
  2. Step 2: Convert to fraction form
    308,231,616.48/425,378,741.04 = 170,876,352.48/x
  3. Step 3: Cross multiply
    308,231,616.48x = 425,378,741.04 × 170,876,352.48
  4. Step 4: Simplify right side
    308,231,616.48x = 72,687,167,691,449,680
  5. Step 5: Solve for x
    x = 72,687,167,691,449,680/308,231,616.48
  6. Step 6: Final answer
    x = 235,819,960.72

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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.