Home / 50,722,430.80-69,996,979.85-27,517,551.61

Finding the Fourth Proportional to 50,722,430.80, 69,996,979.85 and 27,517,551.61

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Solution

The fourth proportional to 50,722,430.80, 69,996,979.85 and 27,517,551.61 is: 37,974,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,722,430.80 : 69,996,979.85 = 27,517,551.61 : x
  2. Step 2: Convert to fraction form
    50,722,430.80/69,996,979.85 = 27,517,551.61/x
  3. Step 3: Cross multiply
    50,722,430.80x = 69,996,979.85 × 27,517,551.61
  4. Step 4: Simplify right side
    50,722,430.80x = 1,926,145,505,385,239
  5. Step 5: Solve for x
    x = 1,926,145,505,385,239/50,722,430.80
  6. Step 6: Final answer
    x = 37,974,234.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.