Home / 243,986,613.28-336,703,945.68-132,478,367.92

Finding the Fourth Proportional to 243,986,613.28, 336,703,945.68 and 132,478,367.92

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Solution

The fourth proportional to 243,986,613.28, 336,703,945.68 and 132,478,367.92 is: 182,821,461.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,986,613.28 : 336,703,945.68 = 132,478,367.92 : x
  2. Step 2: Convert to fraction form
    243,986,613.28/336,703,945.68 = 132,478,367.92/x
  3. Step 3: Cross multiply
    243,986,613.28x = 336,703,945.68 × 132,478,367.92
  4. Step 4: Simplify right side
    243,986,613.28x = 44,605,989,195,910,736
  5. Step 5: Solve for x
    x = 44,605,989,195,910,736/243,986,613.28
  6. Step 6: Final answer
    x = 182,821,461.38

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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.