Home / 77,906,190.80-107,491,227.72-50,370,986

Finding the Fourth Proportional to 77,906,190.80, 107,491,227.72 and 50,370,986

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Solution

The fourth proportional to 77,906,190.80, 107,491,227.72 and 50,370,986 is: 69,499,472.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,906,190.80 : 107,491,227.72 = 50,370,986 : x
  2. Step 2: Convert to fraction form
    77,906,190.80/107,491,227.72 = 50,370,986/x
  3. Step 3: Cross multiply
    77,906,190.80x = 107,491,227.72 × 50,370,986
  4. Step 4: Simplify right side
    77,906,190.80x = 5,414,439,126,606,932
  5. Step 5: Solve for x
    x = 5,414,439,126,606,932/77,906,190.80
  6. Step 6: Final answer
    x = 69,499,472.01

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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.