Home / 196,321,345.38-270,935,577.81-108,215,144.37

Finding the Fourth Proportional to 196,321,345.38, 270,935,577.81 and 108,215,144.37

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Solution

The fourth proportional to 196,321,345.38, 270,935,577.81 and 108,215,144.37 is: 149,343,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,321,345.38 : 270,935,577.81 = 108,215,144.37 : x
  2. Step 2: Convert to fraction form
    196,321,345.38/270,935,577.81 = 108,215,144.37/x
  3. Step 3: Cross multiply
    196,321,345.38x = 270,935,577.81 × 108,215,144.37
  4. Step 4: Simplify right side
    196,321,345.38x = 29,319,332,667,678,520
  5. Step 5: Solve for x
    x = 29,319,332,667,678,520/196,321,345.38
  6. Step 6: Final answer
    x = 149,343,580.60

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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.