Home / 54,377,363.20-81,566,044.80-31,387,619.20

Finding the Fourth Proportional to 54,377,363.20, 81,566,044.80 and 31,387,619.20

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Solution

The fourth proportional to 54,377,363.20, 81,566,044.80 and 31,387,619.20 is: 47,081,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,377,363.20 : 81,566,044.80 = 31,387,619.20 : x
  2. Step 2: Convert to fraction form
    54,377,363.20/81,566,044.80 = 31,387,619.20/x
  3. Step 3: Cross multiply
    54,377,363.20x = 81,566,044.80 × 31,387,619.20
  4. Step 4: Simplify right side
    54,377,363.20x = 2,560,163,953,832,540
  5. Step 5: Solve for x
    x = 2,560,163,953,832,540/54,377,363.20
  6. Step 6: Final answer
    x = 47,081,428.80

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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.