Home / 81,667,540.28-112,699,780.37-44,498,128.22

Finding the Fourth Proportional to 81,667,540.28, 112,699,780.37 and 44,498,128.22

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Solution

The fourth proportional to 81,667,540.28, 112,699,780.37 and 44,498,128.22 is: 61,406,640.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,667,540.28 : 112,699,780.37 = 44,498,128.22 : x
  2. Step 2: Convert to fraction form
    81,667,540.28/112,699,780.37 = 44,498,128.22/x
  3. Step 3: Cross multiply
    81,667,540.28x = 112,699,780.37 × 44,498,128.22
  4. Step 4: Simplify right side
    81,667,540.28x = 5,014,929,277,270,099
  5. Step 5: Solve for x
    x = 5,014,929,277,270,099/81,667,540.28
  6. Step 6: Final answer
    x = 61,406,640.39

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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.