Home / 121,034,532.80-181,441,574.40-44,339,067.20

Finding the Fourth Proportional to 121,034,532.80, 181,441,574.40 and 44,339,067.20

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Solution

The fourth proportional to 121,034,532.80, 181,441,574.40 and 44,339,067.20 is: 66,468,221.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,034,532.80 : 181,441,574.40 = 44,339,067.20 : x
  2. Step 2: Convert to fraction form
    121,034,532.80/181,441,574.40 = 44,339,067.20/x
  3. Step 3: Cross multiply
    121,034,532.80x = 181,441,574.40 × 44,339,067.20
  4. Step 4: Simplify right side
    121,034,532.80x = 8,044,950,160,195,400
  5. Step 5: Solve for x
    x = 8,044,950,160,195,400/121,034,532.80
  6. Step 6: Final answer
    x = 66,468,221.71

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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.