Home / 57,891,879.25-79,891,935.96-31,786,168.74

Finding the Fourth Proportional to 57,891,879.25, 79,891,935.96 and 31,786,168.74

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Solution

The fourth proportional to 57,891,879.25, 79,891,935.96 and 31,786,168.74 is: 43,865,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,891,879.25 : 79,891,935.96 = 31,786,168.74 : x
  2. Step 2: Convert to fraction form
    57,891,879.25/79,891,935.96 = 31,786,168.74/x
  3. Step 3: Cross multiply
    57,891,879.25x = 79,891,935.96 × 31,786,168.74
  4. Step 4: Simplify right side
    57,891,879.25x = 2,539,458,557,389,833.50
  5. Step 5: Solve for x
    x = 2,539,458,557,389,833.50/57,891,879.25
  6. Step 6: Final answer
    x = 43,865,540.22

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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.