Home / 197,836,422.87-273,046,955.90-109,758,797.31

Finding the Fourth Proportional to 197,836,422.87, 273,046,955.90 and 109,758,797.31

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Solution

The fourth proportional to 197,836,422.87, 273,046,955.90 and 109,758,797.31 is: 151,485,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,836,422.87 : 273,046,955.90 = 109,758,797.31 : x
  2. Step 2: Convert to fraction form
    197,836,422.87/273,046,955.90 = 109,758,797.31/x
  3. Step 3: Cross multiply
    197,836,422.87x = 273,046,955.90 × 109,758,797.31
  4. Step 4: Simplify right side
    197,836,422.87x = 29,969,305,488,191,812
  5. Step 5: Solve for x
    x = 29,969,305,488,191,812/197,836,422.87
  6. Step 6: Final answer
    x = 151,485,277.85

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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.