Home / 76,080,205.20-104,981,825.71-42,591,518.06

Finding the Fourth Proportional to 76,080,205.20, 104,981,825.71 and 42,591,518.06

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Solution

The fourth proportional to 76,080,205.20, 104,981,825.71 and 42,591,518.06 is: 58,771,336.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,080,205.20 : 104,981,825.71 = 42,591,518.06 : x
  2. Step 2: Convert to fraction form
    76,080,205.20/104,981,825.71 = 42,591,518.06/x
  3. Step 3: Cross multiply
    76,080,205.20x = 104,981,825.71 × 42,591,518.06
  4. Step 4: Simplify right side
    76,080,205.20x = 4,471,335,325,067,849
  5. Step 5: Solve for x
    x = 4,471,335,325,067,849/76,080,205.20
  6. Step 6: Final answer
    x = 58,771,336.29

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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.