Home / 81,609,926.80-122,386,313.40-24,086,966.80

Finding the Fourth Proportional to 81,609,926.80, 122,386,313.40 and 24,086,966.80

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Solution

The fourth proportional to 81,609,926.80, 122,386,313.40 and 24,086,966.80 is: 36,122,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,609,926.80 : 122,386,313.40 = 24,086,966.80 : x
  2. Step 2: Convert to fraction form
    81,609,926.80/122,386,313.40 = 24,086,966.80/x
  3. Step 3: Cross multiply
    81,609,926.80x = 122,386,313.40 × 24,086,966.80
  4. Step 4: Simplify right side
    81,609,926.80x = 2,947,915,067,640,195.50
  5. Step 5: Solve for x
    x = 2,947,915,067,640,195.50/81,609,926.80
  6. Step 6: Final answer
    x = 36,122,015.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.