Home / 115,442,286.66-159,304,672.89-63,231,554.52

Finding the Fourth Proportional to 115,442,286.66, 159,304,672.89 and 63,231,554.52

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Solution

The fourth proportional to 115,442,286.66, 159,304,672.89 and 63,231,554.52 is: 87,256,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,442,286.66 : 159,304,672.89 = 63,231,554.52 : x
  2. Step 2: Convert to fraction form
    115,442,286.66/159,304,672.89 = 63,231,554.52/x
  3. Step 3: Cross multiply
    115,442,286.66x = 159,304,672.89 × 63,231,554.52
  4. Step 4: Simplify right side
    115,442,286.66x = 10,073,082,109,134,800
  5. Step 5: Solve for x
    x = 10,073,082,109,134,800/115,442,286.66
  6. Step 6: Final answer
    x = 87,256,432.63

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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.