Home / 54,306,057.80-81,396,101.10-21,936,708.20

Finding the Fourth Proportional to 54,306,057.80, 81,396,101.10 and 21,936,708.20

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Solution

The fourth proportional to 54,306,057.80, 81,396,101.10 and 21,936,708.20 is: 32,879,619.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,306,057.80 : 81,396,101.10 = 21,936,708.20 : x
  2. Step 2: Convert to fraction form
    54,306,057.80/81,396,101.10 = 21,936,708.20/x
  3. Step 3: Cross multiply
    54,306,057.80x = 81,396,101.10 × 21,936,708.20
  4. Step 4: Simplify right side
    54,306,057.80x = 1,785,562,518,448,398.75
  5. Step 5: Solve for x
    x = 1,785,562,518,448,398.75/54,306,057.80
  6. Step 6: Final answer
    x = 32,879,619.53

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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.