Home / 54,047,658.78-81,104,763.42-21,252,456.54

Finding the Fourth Proportional to 54,047,658.78, 81,104,763.42 and 21,252,456.54

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Solution

The fourth proportional to 54,047,658.78, 81,104,763.42 and 21,252,456.54 is: 31,891,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,047,658.78 : 81,104,763.42 = 21,252,456.54 : x
  2. Step 2: Convert to fraction form
    54,047,658.78/81,104,763.42 = 21,252,456.54/x
  3. Step 3: Cross multiply
    54,047,658.78x = 81,104,763.42 × 21,252,456.54
  4. Step 4: Simplify right side
    54,047,658.78x = 1,723,675,459,770,531.75
  5. Step 5: Solve for x
    x = 1,723,675,459,770,531.75/54,047,658.78
  6. Step 6: Final answer
    x = 31,891,769.20

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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.