Home / 121,025,098.32-180,593,721.76-107,981,584.32

Finding the Fourth Proportional to 121,025,098.32, 180,593,721.76 and 107,981,584.32

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Solution

The fourth proportional to 121,025,098.32, 180,593,721.76 and 107,981,584.32 is: 161,130,182.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,025,098.32 : 180,593,721.76 = 107,981,584.32 : x
  2. Step 2: Convert to fraction form
    121,025,098.32/180,593,721.76 = 107,981,584.32/x
  3. Step 3: Cross multiply
    121,025,098.32x = 180,593,721.76 × 107,981,584.32
  4. Step 4: Simplify right side
    121,025,098.32x = 19,500,796,193,890,056
  5. Step 5: Solve for x
    x = 19,500,796,193,890,056/121,025,098.32
  6. Step 6: Final answer
    x = 161,130,182.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.