Home / 79,546,378.25-109,711,813.23-51,678,067.57

Finding the Fourth Proportional to 79,546,378.25, 109,711,813.23 and 51,678,067.57

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Solution

The fourth proportional to 79,546,378.25, 109,711,813.23 and 51,678,067.57 is: 71,275,331.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,546,378.25 : 109,711,813.23 = 51,678,067.57 : x
  2. Step 2: Convert to fraction form
    79,546,378.25/109,711,813.23 = 51,678,067.57/x
  3. Step 3: Cross multiply
    79,546,378.25x = 109,711,813.23 × 51,678,067.57
  4. Step 4: Simplify right side
    79,546,378.25x = 5,669,694,497,052,881
  5. Step 5: Solve for x
    x = 5,669,694,497,052,881/79,546,378.25
  6. Step 6: Final answer
    x = 71,275,331.72

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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.