Home / 185,858,082.20-256,538,220.46-123,978,273.14

Finding the Fourth Proportional to 185,858,082.20, 256,538,220.46 and 123,978,273.14

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Solution

The fourth proportional to 185,858,082.20, 256,538,220.46 and 123,978,273.14 is: 171,126,082.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,858,082.20 : 256,538,220.46 = 123,978,273.14 : x
  2. Step 2: Convert to fraction form
    185,858,082.20/256,538,220.46 = 123,978,273.14/x
  3. Step 3: Cross multiply
    185,858,082.20x = 256,538,220.46 × 123,978,273.14
  4. Step 4: Simplify right side
    185,858,082.20x = 31,805,165,567,039,416
  5. Step 5: Solve for x
    x = 31,805,165,567,039,416/185,858,082.20
  6. Step 6: Final answer
    x = 171,126,082.82

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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.