Home / 81,766,780.84-122,635,608.52-32,578,511.74

Finding the Fourth Proportional to 81,766,780.84, 122,635,608.52 and 32,578,511.74

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Solution

The fourth proportional to 81,766,780.84, 122,635,608.52 and 32,578,511.74 is: 48,861,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,766,780.84 : 122,635,608.52 = 32,578,511.74 : x
  2. Step 2: Convert to fraction form
    81,766,780.84/122,635,608.52 = 32,578,511.74/x
  3. Step 3: Cross multiply
    81,766,780.84x = 122,635,608.52 × 32,578,511.74
  4. Step 4: Simplify right side
    81,766,780.84x = 3,995,285,611,910,863.50
  5. Step 5: Solve for x
    x = 3,995,285,611,910,863.50/81,766,780.84
  6. Step 6: Final answer
    x = 48,861,965.35

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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.