Home / 128,261,324.43-177,002,895.20-69,525,940.23

Finding the Fourth Proportional to 128,261,324.43, 177,002,895.20 and 69,525,940.23

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Solution

The fourth proportional to 128,261,324.43, 177,002,895.20 and 69,525,940.23 is: 95,947,026.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,261,324.43 : 177,002,895.20 = 69,525,940.23 : x
  2. Step 2: Convert to fraction form
    128,261,324.43/177,002,895.20 = 69,525,940.23/x
  3. Step 3: Cross multiply
    128,261,324.43x = 177,002,895.20 × 69,525,940.23
  4. Step 4: Simplify right side
    128,261,324.43x = 12,306,292,711,864,524
  5. Step 5: Solve for x
    x = 12,306,292,711,864,524/128,261,324.43
  6. Step 6: Final answer
    x = 95,947,026.64

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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.