Home / 80,809,464.54-111,517,060.74-43,639,742.73

Finding the Fourth Proportional to 80,809,464.54, 111,517,060.74 and 43,639,742.73

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Solution

The fourth proportional to 80,809,464.54, 111,517,060.74 and 43,639,742.73 is: 60,222,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,809,464.54 : 111,517,060.74 = 43,639,742.73 : x
  2. Step 2: Convert to fraction form
    80,809,464.54/111,517,060.74 = 43,639,742.73/x
  3. Step 3: Cross multiply
    80,809,464.54x = 111,517,060.74 × 43,639,742.73
  4. Step 4: Simplify right side
    80,809,464.54x = 4,866,575,840,640,225
  5. Step 5: Solve for x
    x = 4,866,575,840,640,225/80,809,464.54
  6. Step 6: Final answer
    x = 60,222,844.79

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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.