Home / 54,305,965.80-81,395,963.10-21,936,616.20

Finding the Fourth Proportional to 54,305,965.80, 81,395,963.10 and 21,936,616.20

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Solution

The fourth proportional to 54,305,965.80, 81,395,963.10 and 21,936,616.20 is: 32,879,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,305,965.80 : 81,395,963.10 = 21,936,616.20 : x
  2. Step 2: Convert to fraction form
    54,305,965.80/81,395,963.10 = 21,936,616.20/x
  3. Step 3: Cross multiply
    54,305,965.80x = 81,395,963.10 × 21,936,616.20
  4. Step 4: Simplify right side
    54,305,965.80x = 1,785,552,002,754,062
  5. Step 5: Solve for x
    x = 1,785,552,002,754,062/54,305,965.80
  6. Step 6: Final answer
    x = 32,879,481.59

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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.