Home / 54,222,555.20-81,333,832.80-18,320,244.80

Finding the Fourth Proportional to 54,222,555.20, 81,333,832.80 and 18,320,244.80

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Solution

The fourth proportional to 54,222,555.20, 81,333,832.80 and 18,320,244.80 is: 27,480,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,222,555.20 : 81,333,832.80 = 18,320,244.80 : x
  2. Step 2: Convert to fraction form
    54,222,555.20/81,333,832.80 = 18,320,244.80/x
  3. Step 3: Cross multiply
    54,222,555.20x = 81,333,832.80 × 18,320,244.80
  4. Step 4: Simplify right side
    54,222,555.20x = 1,490,055,727,418,269.50
  5. Step 5: Solve for x
    x = 1,490,055,727,418,269.50/54,222,555.20
  6. Step 6: Final answer
    x = 27,480,367.20

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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.