Home / 87,808,348-121,175,520.24-49,177,180

Finding the Fourth Proportional to 87,808,348, 121,175,520.24 and 49,177,180

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Solution

The fourth proportional to 87,808,348, 121,175,520.24 and 49,177,180 is: 67,864,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,808,348 : 121,175,520.24 = 49,177,180 : x
  2. Step 2: Convert to fraction form
    87,808,348/121,175,520.24 = 49,177,180/x
  3. Step 3: Cross multiply
    87,808,348x = 121,175,520.24 × 49,177,180
  4. Step 4: Simplify right side
    87,808,348x = 5,959,070,370,436,123
  5. Step 5: Solve for x
    x = 5,959,070,370,436,123/87,808,348
  6. Step 6: Final answer
    x = 67,864,508.40

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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.