Home / 81,040,003.49-111,835,076.10-43,870,273.91

Finding the Fourth Proportional to 81,040,003.49, 111,835,076.10 and 43,870,273.91

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Solution

The fourth proportional to 81,040,003.49, 111,835,076.10 and 43,870,273.91 is: 60,540,908.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,040,003.49 : 111,835,076.10 = 43,870,273.91 : x
  2. Step 2: Convert to fraction form
    81,040,003.49/111,835,076.10 = 43,870,273.91/x
  3. Step 3: Cross multiply
    81,040,003.49x = 111,835,076.10 × 43,870,273.91
  4. Step 4: Simplify right side
    81,040,003.49x = 4,906,235,420,693,519
  5. Step 5: Solve for x
    x = 4,906,235,420,693,519/81,040,003.49
  6. Step 6: Final answer
    x = 60,540,908.31

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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.