Home / 454,185,251.76-681,268,100.44-126,652,044.72

Finding the Fourth Proportional to 454,185,251.76, 681,268,100.44 and 126,652,044.72

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Solution

The fourth proportional to 454,185,251.76, 681,268,100.44 and 126,652,044.72 is: 189,975,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,185,251.76 : 681,268,100.44 = 126,652,044.72 : x
  2. Step 2: Convert to fraction form
    454,185,251.76/681,268,100.44 = 126,652,044.72/x
  3. Step 3: Cross multiply
    454,185,251.76x = 681,268,100.44 × 126,652,044.72
  4. Step 4: Simplify right side
    454,185,251.76x = 86,283,997,923,236,336
  5. Step 5: Solve for x
    x = 86,283,997,923,236,336/454,185,251.76
  6. Step 6: Final answer
    x = 189,975,340.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.