Home / 197,608,028.91-272,700,704.52-109,503,497.91

Finding the Fourth Proportional to 197,608,028.91, 272,700,704.52 and 109,503,497.91

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Solution

The fourth proportional to 197,608,028.91, 272,700,704.52 and 109,503,497.91 is: 151,115,727.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,608,028.91 : 272,700,704.52 = 109,503,497.91 : x
  2. Step 2: Convert to fraction form
    197,608,028.91/272,700,704.52 = 109,503,497.91/x
  3. Step 3: Cross multiply
    197,608,028.91x = 272,700,704.52 × 109,503,497.91
  4. Step 4: Simplify right side
    197,608,028.91x = 29,861,681,026,948,668
  5. Step 5: Solve for x
    x = 29,861,681,026,948,668/197,608,028.91
  6. Step 6: Final answer
    x = 151,115,727.39

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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.