Home / 45,647,472.72-68,471,204.92-20,088,482.12

Finding the Fourth Proportional to 45,647,472.72, 68,471,204.92 and 20,088,482.12

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Solution

The fourth proportional to 45,647,472.72, 68,471,204.92 and 20,088,482.12 is: 30,132,721.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,647,472.72 : 68,471,204.92 = 20,088,482.12 : x
  2. Step 2: Convert to fraction form
    45,647,472.72/68,471,204.92 = 20,088,482.12/x
  3. Step 3: Cross multiply
    45,647,472.72x = 68,471,204.92 × 20,088,482.12
  4. Step 4: Simplify right side
    45,647,472.72x = 1,375,482,575,770,276.25
  5. Step 5: Solve for x
    x = 1,375,482,575,770,276.25/45,647,472.72
  6. Step 6: Final answer
    x = 30,132,721.35

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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.