Home / 157,376,452.28-217,175,668.88-86,810,517.42

Finding the Fourth Proportional to 157,376,452.28, 217,175,668.88 and 86,810,517.42

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Solution

The fourth proportional to 157,376,452.28, 217,175,668.88 and 86,810,517.42 is: 119,796,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,376,452.28 : 217,175,668.88 = 86,810,517.42 : x
  2. Step 2: Convert to fraction form
    157,376,452.28/217,175,668.88 = 86,810,517.42/x
  3. Step 3: Cross multiply
    157,376,452.28x = 217,175,668.88 × 86,810,517.42
  4. Step 4: Simplify right side
    157,376,452.28x = 18,853,132,186,073,340
  5. Step 5: Solve for x
    x = 18,853,132,186,073,340/157,376,452.28
  6. Step 6: Final answer
    x = 119,796,398.47

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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.