Home / 81,667,539-112,699,778.60-44,498,126.94

Finding the Fourth Proportional to 81,667,539, 112,699,778.60 and 44,498,126.94

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Solution

The fourth proportional to 81,667,539, 112,699,778.60 and 44,498,126.94 is: 61,406,638.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,667,539 : 112,699,778.60 = 44,498,126.94 : x
  2. Step 2: Convert to fraction form
    81,667,539/112,699,778.60 = 44,498,126.94/x
  3. Step 3: Cross multiply
    81,667,539x = 112,699,778.60 × 44,498,126.94
  4. Step 4: Simplify right side
    81,667,539x = 5,014,929,053,941,317
  5. Step 5: Solve for x
    x = 5,014,929,053,941,317/81,667,539
  6. Step 6: Final answer
    x = 61,406,638.61

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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.