Home / 207,777,142,879.20-311,712,709,791.72-112,161,109,405.73

Finding the Fourth Proportional to 207,777,142,879.20, 311,712,709,791.72 and 112,161,109,405.73

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Solution

The fourth proportional to 207,777,142,879.20, 311,712,709,791.72 and 112,161,109,405.73 is: 168,267,032,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,777,142,879.20 : 311,712,709,791.72 = 112,161,109,405.73 : x
  2. Step 2: Convert to fraction form
    207,777,142,879.20/311,712,709,791.72 = 112,161,109,405.73/x
  3. Step 3: Cross multiply
    207,777,142,879.20x = 311,712,709,791.72 × 112,161,109,405.73
  4. Step 4: Simplify right side
    207,777,142,879.20x = 34,962,043,346,105,667,682,304
  5. Step 5: Solve for x
    x = 34,962,043,346,105,667,682,304/207,777,142,879.20
  6. Step 6: Final answer
    x = 168,267,032,945.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.