Home / 157,418,535.66-217,307,247.06-101,691,134.16

Finding the Fourth Proportional to 157,418,535.66, 217,307,247.06 and 101,691,134.16

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Solution

The fourth proportional to 157,418,535.66, 217,307,247.06 and 101,691,134.16 is: 140,378,770.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,418,535.66 : 217,307,247.06 = 101,691,134.16 : x
  2. Step 2: Convert to fraction form
    157,418,535.66/217,307,247.06 = 101,691,134.16/x
  3. Step 3: Cross multiply
    157,418,535.66x = 217,307,247.06 × 101,691,134.16
  4. Step 4: Simplify right side
    157,418,535.66x = 22,098,220,414,718,724
  5. Step 5: Solve for x
    x = 22,098,220,414,718,724/157,418,535.66
  6. Step 6: Final answer
    x = 140,378,770.02

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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.