Home / 60,672,044.70-91,008,067.05-39,172,959.90

Finding the Fourth Proportional to 60,672,044.70, 91,008,067.05 and 39,172,959.90

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Solution

The fourth proportional to 60,672,044.70, 91,008,067.05 and 39,172,959.90 is: 58,759,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,672,044.70 : 91,008,067.05 = 39,172,959.90 : x
  2. Step 2: Convert to fraction form
    60,672,044.70/91,008,067.05 = 39,172,959.90/x
  3. Step 3: Cross multiply
    60,672,044.70x = 91,008,067.05 × 39,172,959.90
  4. Step 4: Simplify right side
    60,672,044.70x = 3,565,055,361,126,161
  5. Step 5: Solve for x
    x = 3,565,055,361,126,161/60,672,044.70
  6. Step 6: Final answer
    x = 58,759,439.85

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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.