Home / 54,498,691.44-81,721,120.20-19,929,033.03

Finding the Fourth Proportional to 54,498,691.44, 81,721,120.20 and 19,929,033.03

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Solution

The fourth proportional to 54,498,691.44, 81,721,120.20 and 19,929,033.03 is: 29,883,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,498,691.44 : 81,721,120.20 = 19,929,033.03 : x
  2. Step 2: Convert to fraction form
    54,498,691.44/81,721,120.20 = 19,929,033.03/x
  3. Step 3: Cross multiply
    54,498,691.44x = 81,721,120.20 × 19,929,033.03
  4. Step 4: Simplify right side
    54,498,691.44x = 1,628,622,903,714,400.25
  5. Step 5: Solve for x
    x = 1,628,622,903,714,400.25/54,498,691.44
  6. Step 6: Final answer
    x = 29,883,706.57

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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.