Home / 49,382,430.92-74,073,654.46-20,612,872.28

Finding the Fourth Proportional to 49,382,430.92, 74,073,654.46 and 20,612,872.28

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Solution

The fourth proportional to 49,382,430.92, 74,073,654.46 and 20,612,872.28 is: 30,919,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,382,430.92 : 74,073,654.46 = 20,612,872.28 : x
  2. Step 2: Convert to fraction form
    49,382,430.92/74,073,654.46 = 20,612,872.28/x
  3. Step 3: Cross multiply
    49,382,430.92x = 74,073,654.46 × 20,612,872.28
  4. Step 4: Simplify right side
    49,382,430.92x = 1,526,870,778,696,832.25
  5. Step 5: Solve for x
    x = 1,526,870,778,696,832.25/49,382,430.92
  6. Step 6: Final answer
    x = 30,919,311.79

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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.