Home / 80,846,695.20-121,275,291.60-42,582,943.20

Finding the Fourth Proportional to 80,846,695.20, 121,275,291.60 and 42,582,943.20

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Solution

The fourth proportional to 80,846,695.20, 121,275,291.60 and 42,582,943.20 is: 63,877,179.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,846,695.20 : 121,275,291.60 = 42,582,943.20 : x
  2. Step 2: Convert to fraction form
    80,846,695.20/121,275,291.60 = 42,582,943.20/x
  3. Step 3: Cross multiply
    80,846,695.20x = 121,275,291.60 × 42,582,943.20
  4. Step 4: Simplify right side
    80,846,695.20x = 5,164,258,853,766,237
  5. Step 5: Solve for x
    x = 5,164,258,853,766,237/80,846,695.20
  6. Step 6: Final answer
    x = 63,877,179.41

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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.