Home / 81,471,912.75-112,433,370.45-44,304,366.80

Finding the Fourth Proportional to 81,471,912.75, 112,433,370.45 and 44,304,366.80

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Solution

The fourth proportional to 81,471,912.75, 112,433,370.45 and 44,304,366.80 is: 61,141,184.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,471,912.75 : 112,433,370.45 = 44,304,366.80 : x
  2. Step 2: Convert to fraction form
    81,471,912.75/112,433,370.45 = 44,304,366.80/x
  3. Step 3: Cross multiply
    81,471,912.75x = 112,433,370.45 × 44,304,366.80
  4. Step 4: Simplify right side
    81,471,912.75x = 4,981,289,284,977,081
  5. Step 5: Solve for x
    x = 4,981,289,284,977,081/81,471,912.75
  6. Step 6: Final answer
    x = 61,141,184.94

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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.