Home / 54,555,979.33-81,844,749.38-20,012,701.91

Finding the Fourth Proportional to 54,555,979.33, 81,844,749.38 and 20,012,701.91

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Solution

The fourth proportional to 54,555,979.33, 81,844,749.38 and 20,012,701.91 is: 30,023,007.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555,979.33 : 81,844,749.38 = 20,012,701.91 : x
  2. Step 2: Convert to fraction form
    54,555,979.33/81,844,749.38 = 20,012,701.91/x
  3. Step 3: Cross multiply
    54,555,979.33x = 81,844,749.38 × 20,012,701.91
  4. Step 4: Simplify right side
    54,555,979.33x = 1,637,934,572,240,597.25
  5. Step 5: Solve for x
    x = 1,637,934,572,240,597.25/54,555,979.33
  6. Step 6: Final answer
    x = 30,023,007.42

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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.