Home / 189,179,195.72-261,067,174.62-102,259,067.72

Finding the Fourth Proportional to 189,179,195.72, 261,067,174.62 and 102,259,067.72

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Solution

The fourth proportional to 189,179,195.72, 261,067,174.62 and 102,259,067.72 is: 141,117,451.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,179,195.72 : 261,067,174.62 = 102,259,067.72 : x
  2. Step 2: Convert to fraction form
    189,179,195.72/261,067,174.62 = 102,259,067.72/x
  3. Step 3: Cross multiply
    189,179,195.72x = 261,067,174.62 × 102,259,067.72
  4. Step 4: Simplify right side
    189,179,195.72x = 26,696,485,888,935,644
  5. Step 5: Solve for x
    x = 26,696,485,888,935,644/189,179,195.72
  6. Step 6: Final answer
    x = 141,117,451.04

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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.