Home / 111,456,224.01-153,805,375.36-61,899,789.95

Finding the Fourth Proportional to 111,456,224.01, 153,805,375.36 and 61,899,789.95

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Solution

The fourth proportional to 111,456,224.01, 153,805,375.36 and 61,899,789.95 is: 85,419,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,456,224.01 : 153,805,375.36 = 61,899,789.95 : x
  2. Step 2: Convert to fraction form
    111,456,224.01/153,805,375.36 = 61,899,789.95/x
  3. Step 3: Cross multiply
    111,456,224.01x = 153,805,375.36 × 61,899,789.95
  4. Step 4: Simplify right side
    111,456,224.01x = 9,520,520,428,194,668
  5. Step 5: Solve for x
    x = 9,520,520,428,194,668/111,456,224.01
  6. Step 6: Final answer
    x = 85,419,369.92

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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.