Home / 196,999,665.76-271,859,597.44-107,691,997.92

Finding the Fourth Proportional to 196,999,665.76, 271,859,597.44 and 107,691,997.92

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Solution

The fourth proportional to 196,999,665.76, 271,859,597.44 and 107,691,997.92 is: 148,614,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,999,665.76 : 271,859,597.44 = 107,691,997.92 : x
  2. Step 2: Convert to fraction form
    196,999,665.76/271,859,597.44 = 107,691,997.92/x
  3. Step 3: Cross multiply
    196,999,665.76x = 271,859,597.44 × 107,691,997.92
  4. Step 4: Simplify right side
    196,999,665.76x = 29,277,103,202,040,516
  5. Step 5: Solve for x
    x = 29,277,103,202,040,516/196,999,665.76
  6. Step 6: Final answer
    x = 148,614,989.21

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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.