Home / 87,495,792.80-131,231,247.60-29,990,717.60

Finding the Fourth Proportional to 87,495,792.80, 131,231,247.60 and 29,990,717.60

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Solution

The fourth proportional to 87,495,792.80, 131,231,247.60 and 29,990,717.60 is: 44,981,811.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,495,792.80 : 131,231,247.60 = 29,990,717.60 : x
  2. Step 2: Convert to fraction form
    87,495,792.80/131,231,247.60 = 29,990,717.60/x
  3. Step 3: Cross multiply
    87,495,792.80x = 131,231,247.60 × 29,990,717.60
  4. Step 4: Simplify right side
    87,495,792.80x = 3,935,719,287,067,278
  5. Step 5: Solve for x
    x = 3,935,719,287,067,278/87,495,792.80
  6. Step 6: Final answer
    x = 44,981,811.82

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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.