Home / 77,906,188.80-107,491,224.96-50,370,984

Finding the Fourth Proportional to 77,906,188.80, 107,491,224.96 and 50,370,984

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Solution

The fourth proportional to 77,906,188.80, 107,491,224.96 and 50,370,984 is: 69,499,469.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,906,188.80 : 107,491,224.96 = 50,370,984 : x
  2. Step 2: Convert to fraction form
    77,906,188.80/107,491,224.96 = 50,370,984/x
  3. Step 3: Cross multiply
    77,906,188.80x = 107,491,224.96 × 50,370,984
  4. Step 4: Simplify right side
    77,906,188.80x = 5,414,438,772,600,560
  5. Step 5: Solve for x
    x = 5,414,438,772,600,560/77,906,188.80
  6. Step 6: Final answer
    x = 69,499,469.25

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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.