Home / 54,759,616.26-82,021,338.09-51,540,080.10

Finding the Fourth Proportional to 54,759,616.26, 82,021,338.09 and 51,540,080.10

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Solution

The fourth proportional to 54,759,616.26, 82,021,338.09 and 51,540,080.10 is: 77,198,976.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,759,616.26 : 82,021,338.09 = 51,540,080.10 : x
  2. Step 2: Convert to fraction form
    54,759,616.26/82,021,338.09 = 51,540,080.10/x
  3. Step 3: Cross multiply
    54,759,616.26x = 82,021,338.09 × 51,540,080.10
  4. Step 4: Simplify right side
    54,759,616.26x = 4,227,386,335,067,781.50
  5. Step 5: Solve for x
    x = 4,227,386,335,067,781.50/54,759,616.26
  6. Step 6: Final answer
    x = 77,198,976.61

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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.