Home / 118,332,856.43-163,315,564.10-68,096,042.61

Finding the Fourth Proportional to 118,332,856.43, 163,315,564.10 and 68,096,042.61

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Solution

The fourth proportional to 118,332,856.43, 163,315,564.10 and 68,096,042.61 is: 93,981,874.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,332,856.43 : 163,315,564.10 = 68,096,042.61 : x
  2. Step 2: Convert to fraction form
    118,332,856.43/163,315,564.10 = 68,096,042.61/x
  3. Step 3: Cross multiply
    118,332,856.43x = 163,315,564.10 × 68,096,042.61
  4. Step 4: Simplify right side
    118,332,856.43x = 11,121,143,611,829,786
  5. Step 5: Solve for x
    x = 11,121,143,611,829,786/118,332,856.43
  6. Step 6: Final answer
    x = 93,981,874.07

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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.