Home / 80,051,721.72-110,471,470.42-43,382,292.72

Finding the Fourth Proportional to 80,051,721.72, 110,471,470.42 and 43,382,292.72

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Solution

The fourth proportional to 80,051,721.72, 110,471,470.42 and 43,382,292.72 is: 59,867,615.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,051,721.72 : 110,471,470.42 = 43,382,292.72 : x
  2. Step 2: Convert to fraction form
    80,051,721.72/110,471,470.42 = 43,382,292.72/x
  3. Step 3: Cross multiply
    80,051,721.72x = 110,471,470.42 × 43,382,292.72
  4. Step 4: Simplify right side
    80,051,721.72x = 4,792,505,666,969,261
  5. Step 5: Solve for x
    x = 4,792,505,666,969,261/80,051,721.72
  6. Step 6: Final answer
    x = 59,867,615.14

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