Home / 78,067,217.44-107,733,393.39-43,260,488.74

Finding the Fourth Proportional to 78,067,217.44, 107,733,393.39 and 43,260,488.74

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Solution

The fourth proportional to 78,067,217.44, 107,733,393.39 and 43,260,488.74 is: 59,699,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,067,217.44 : 107,733,393.39 = 43,260,488.74 : x
  2. Step 2: Convert to fraction form
    78,067,217.44/107,733,393.39 = 43,260,488.74/x
  3. Step 3: Cross multiply
    78,067,217.44x = 107,733,393.39 × 43,260,488.74
  4. Step 4: Simplify right side
    78,067,217.44x = 4,660,599,251,670,086
  5. Step 5: Solve for x
    x = 4,660,599,251,670,086/78,067,217.44
  6. Step 6: Final answer
    x = 59,699,825.41

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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.