Home / 80,208,449.70-110,684,471.94-45,408,358.95

Finding the Fourth Proportional to 80,208,449.70, 110,684,471.94 and 45,408,358.95

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Solution

The fourth proportional to 80,208,449.70, 110,684,471.94 and 45,408,358.95 is: 62,661,730.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,208,449.70 : 110,684,471.94 = 45,408,358.95 : x
  2. Step 2: Convert to fraction form
    80,208,449.70/110,684,471.94 = 45,408,358.95/x
  3. Step 3: Cross multiply
    80,208,449.70x = 110,684,471.94 × 45,408,358.95
  4. Step 4: Simplify right side
    80,208,449.70x = 5,026,000,232,042,723
  5. Step 5: Solve for x
    x = 5,026,000,232,042,723/80,208,449.70
  6. Step 6: Final answer
    x = 62,661,730.16

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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.