Home / 54,948,734.24-82,423,849.46-20,391,783.21

Finding the Fourth Proportional to 54,948,734.24, 82,423,849.46 and 20,391,783.21

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Solution

The fourth proportional to 54,948,734.24, 82,423,849.46 and 20,391,783.21 is: 30,587,952.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,948,734.24 : 82,423,849.46 = 20,391,783.21 : x
  2. Step 2: Convert to fraction form
    54,948,734.24/82,423,849.46 = 20,391,783.21/x
  3. Step 3: Cross multiply
    54,948,734.24x = 82,423,849.46 × 20,391,783.21
  4. Step 4: Simplify right side
    54,948,734.24x = 1,680,769,269,420,036.75
  5. Step 5: Solve for x
    x = 1,680,769,269,420,036.75/54,948,734.24
  6. Step 6: Final answer
    x = 30,587,952.44

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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.