Home / 54,222,004.20-81,333,006.30-18,319,693.80

Finding the Fourth Proportional to 54,222,004.20, 81,333,006.30 and 18,319,693.80

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Solution

The fourth proportional to 54,222,004.20, 81,333,006.30 and 18,319,693.80 is: 27,479,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,222,004.20 : 81,333,006.30 = 18,319,693.80 : x
  2. Step 2: Convert to fraction form
    54,222,004.20/81,333,006.30 = 18,319,693.80/x
  3. Step 3: Cross multiply
    54,222,004.20x = 81,333,006.30 × 18,319,693.80
  4. Step 4: Simplify right side
    54,222,004.20x = 1,489,995,771,249,471
  5. Step 5: Solve for x
    x = 1,489,995,771,249,471/54,222,004.20
  6. Step 6: Final answer
    x = 27,479,540.70

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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.