Home / 265,644,766.95-398,092,592.92-125,435,627.79

Finding the Fourth Proportional to 265,644,766.95, 398,092,592.92 and 125,435,627.79

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Solution

The fourth proportional to 265,644,766.95, 398,092,592.92 and 125,435,627.79 is: 187,976,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,644,766.95 : 398,092,592.92 = 125,435,627.79 : x
  2. Step 2: Convert to fraction form
    265,644,766.95/398,092,592.92 = 125,435,627.79/x
  3. Step 3: Cross multiply
    265,644,766.95x = 398,092,592.92 × 125,435,627.79
  4. Step 4: Simplify right side
    265,644,766.95x = 49,934,994,311,469,112
  5. Step 5: Solve for x
    x = 49,934,994,311,469,112/265,644,766.95
  6. Step 6: Final answer
    x = 187,976,578.21

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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.