Home / 111,741,517.20-154,202,069.94-61,504,661.71

Finding the Fourth Proportional to 111,741,517.20, 154,202,069.94 and 61,504,661.71

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Solution

The fourth proportional to 111,741,517.20, 154,202,069.94 and 61,504,661.71 is: 84,875,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,741,517.20 : 154,202,069.94 = 61,504,661.71 : x
  2. Step 2: Convert to fraction form
    111,741,517.20/154,202,069.94 = 61,504,661.71/x
  3. Step 3: Cross multiply
    111,741,517.20x = 154,202,069.94 × 61,504,661.71
  4. Step 4: Simplify right side
    111,741,517.20x = 9,484,146,146,641,460
  5. Step 5: Solve for x
    x = 9,484,146,146,641,460/111,741,517.20
  6. Step 6: Final answer
    x = 84,875,759.56

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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.