Home / 54,969,425.60-82,454,138.40-42,055,409.30

Finding the Fourth Proportional to 54,969,425.60, 82,454,138.40 and 42,055,409.30

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Solution

The fourth proportional to 54,969,425.60, 82,454,138.40 and 42,055,409.30 is: 63,083,113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,969,425.60 : 82,454,138.40 = 42,055,409.30 : x
  2. Step 2: Convert to fraction form
    54,969,425.60/82,454,138.40 = 42,055,409.30/x
  3. Step 3: Cross multiply
    54,969,425.60x = 82,454,138.40 × 42,055,409.30
  4. Step 4: Simplify right side
    54,969,425.60x = 3,467,642,538,890,847
  5. Step 5: Solve for x
    x = 3,467,642,538,890,847/54,969,425.60
  6. Step 6: Final answer
    x = 63,083,113.95

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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.