Home / 78,335,940.20-117,503,910.30-32,882,628.20

Finding the Fourth Proportional to 78,335,940.20, 117,503,910.30 and 32,882,628.20

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Solution

The fourth proportional to 78,335,940.20, 117,503,910.30 and 32,882,628.20 is: 49,323,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,335,940.20 : 117,503,910.30 = 32,882,628.20 : x
  2. Step 2: Convert to fraction form
    78,335,940.20/117,503,910.30 = 32,882,628.20/x
  3. Step 3: Cross multiply
    78,335,940.20x = 117,503,910.30 × 32,882,628.20
  4. Step 4: Simplify right side
    78,335,940.20x = 3,863,837,394,441,050.50
  5. Step 5: Solve for x
    x = 3,863,837,394,441,050.50/78,335,940.20
  6. Step 6: Final answer
    x = 49,323,942.30

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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.