Home / 196,159,016.68-270,680,067.30-109,246,975.72

Finding the Fourth Proportional to 196,159,016.68, 270,680,067.30 and 109,246,975.72

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Solution

The fourth proportional to 196,159,016.68, 270,680,067.30 and 109,246,975.72 is: 150,750,035.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,159,016.68 : 270,680,067.30 = 109,246,975.72 : x
  2. Step 2: Convert to fraction form
    196,159,016.68/270,680,067.30 = 109,246,975.72/x
  3. Step 3: Cross multiply
    196,159,016.68x = 270,680,067.30 × 109,246,975.72
  4. Step 4: Simplify right side
    196,159,016.68x = 29,570,978,740,211,068
  5. Step 5: Solve for x
    x = 29,570,978,740,211,068/196,159,016.68
  6. Step 6: Final answer
    x = 150,750,035.56

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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.