Home / 123,882,279.17-185,419,227.65-91,084,151.82

Finding the Fourth Proportional to 123,882,279.17, 185,419,227.65 and 91,084,151.82

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Solution

The fourth proportional to 123,882,279.17, 185,419,227.65 and 91,084,151.82 is: 136,329,047.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,882,279.17 : 185,419,227.65 = 91,084,151.82 : x
  2. Step 2: Convert to fraction form
    123,882,279.17/185,419,227.65 = 91,084,151.82/x
  3. Step 3: Cross multiply
    123,882,279.17x = 185,419,227.65 × 91,084,151.82
  4. Step 4: Simplify right side
    123,882,279.17x = 16,888,753,081,847,452
  5. Step 5: Solve for x
    x = 16,888,753,081,847,452/123,882,279.17
  6. Step 6: Final answer
    x = 136,329,047.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.