Home / 81,766,780.59-122,635,608.14-32,578,511.49

Finding the Fourth Proportional to 81,766,780.59, 122,635,608.14 and 32,578,511.49

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Solution

The fourth proportional to 81,766,780.59, 122,635,608.14 and 32,578,511.49 is: 48,861,964.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,766,780.59 : 122,635,608.14 = 32,578,511.49 : x
  2. Step 2: Convert to fraction form
    81,766,780.59/122,635,608.14 = 32,578,511.49/x
  3. Step 3: Cross multiply
    81,766,780.59x = 122,635,608.14 × 32,578,511.49
  4. Step 4: Simplify right side
    81,766,780.59x = 3,995,285,568,953,573.50
  5. Step 5: Solve for x
    x = 3,995,285,568,953,573.50/81,766,780.59
  6. Step 6: Final answer
    x = 48,861,964.97

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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.