Home / 54,498,691.94-81,721,120.95-19,929,033.54

Finding the Fourth Proportional to 54,498,691.94, 81,721,120.95 and 19,929,033.54

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Solution

The fourth proportional to 54,498,691.94, 81,721,120.95 and 19,929,033.54 is: 29,883,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,498,691.94 : 81,721,120.95 = 19,929,033.54 : x
  2. Step 2: Convert to fraction form
    54,498,691.94/81,721,120.95 = 19,929,033.54/x
  3. Step 3: Cross multiply
    54,498,691.94x = 81,721,120.95 × 19,929,033.54
  4. Step 4: Simplify right side
    54,498,691.94x = 1,628,622,960,338,946.75
  5. Step 5: Solve for x
    x = 1,628,622,960,338,946.75/54,498,691.94
  6. Step 6: Final answer
    x = 29,883,707.34

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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.