Home / 45,062,068.10-67,601,516.97-20,471,721.38

Finding the Fourth Proportional to 45,062,068.10, 67,601,516.97 and 20,471,721.38

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Solution

The fourth proportional to 45,062,068.10, 67,601,516.97 and 20,471,721.38 is: 30,711,404.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,062,068.10 : 67,601,516.97 = 20,471,721.38 : x
  2. Step 2: Convert to fraction form
    45,062,068.10/67,601,516.97 = 20,471,721.38/x
  3. Step 3: Cross multiply
    45,062,068.10x = 67,601,516.97 × 20,471,721.38
  4. Step 4: Simplify right side
    45,062,068.10x = 1,383,919,420,275,181.75
  5. Step 5: Solve for x
    x = 1,383,919,420,275,181.75/45,062,068.10
  6. Step 6: Final answer
    x = 30,711,404.93

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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.