Home / 127,702,572.12-176,229,542.82-68,965,231.56

Finding the Fourth Proportional to 127,702,572.12, 176,229,542.82 and 68,965,231.56

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Solution

The fourth proportional to 127,702,572.12, 176,229,542.82 and 68,965,231.56 is: 95,172,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,702,572.12 : 176,229,542.82 = 68,965,231.56 : x
  2. Step 2: Convert to fraction form
    127,702,572.12/176,229,542.82 = 68,965,231.56/x
  3. Step 3: Cross multiply
    127,702,572.12x = 176,229,542.82 × 68,965,231.56
  4. Step 4: Simplify right side
    127,702,572.12x = 12,153,711,228,294,236
  5. Step 5: Solve for x
    x = 12,153,711,228,294,236/127,702,572.12
  6. Step 6: Final answer
    x = 95,172,015.93

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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.