Home / 225,569,227.76-311,285,534.28-127,784,083.76

Finding the Fourth Proportional to 225,569,227.76, 311,285,534.28 and 127,784,083.76

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Solution

The fourth proportional to 225,569,227.76, 311,285,534.28 and 127,784,083.76 is: 176,342,035.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,569,227.76 : 311,285,534.28 = 127,784,083.76 : x
  2. Step 2: Convert to fraction form
    225,569,227.76/311,285,534.28 = 127,784,083.76/x
  3. Step 3: Cross multiply
    225,569,227.76x = 311,285,534.28 × 127,784,083.76
  4. Step 4: Simplify right side
    225,569,227.76x = 39,777,336,785,711,872
  5. Step 5: Solve for x
    x = 39,777,336,785,711,872/225,569,227.76
  6. Step 6: Final answer
    x = 176,342,035.57

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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.