Home / 153,454,343.27-230,026,380.05-66,072,845.75

Finding the Fourth Proportional to 153,454,343.27, 230,026,380.05 and 66,072,845.75

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Solution

The fourth proportional to 153,454,343.27, 230,026,380.05 and 66,072,845.75 is: 99,042,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,454,343.27 : 230,026,380.05 = 66,072,845.75 : x
  2. Step 2: Convert to fraction form
    153,454,343.27/230,026,380.05 = 66,072,845.75/x
  3. Step 3: Cross multiply
    153,454,343.27x = 230,026,380.05 × 66,072,845.75
  4. Step 4: Simplify right side
    153,454,343.27x = 15,198,497,526,489,578
  5. Step 5: Solve for x
    x = 15,198,497,526,489,578/153,454,343.27
  6. Step 6: Final answer
    x = 99,042,472.20

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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.