Home / 49,469,414.80-74,169,353.76-21,790,198.48

Finding the Fourth Proportional to 49,469,414.80, 74,169,353.76 and 21,790,198.48

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Solution

The fourth proportional to 49,469,414.80, 74,169,353.76 and 21,790,198.48 is: 32,669,982.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,469,414.80 : 74,169,353.76 = 21,790,198.48 : x
  2. Step 2: Convert to fraction form
    49,469,414.80/74,169,353.76 = 21,790,198.48/x
  3. Step 3: Cross multiply
    49,469,414.80x = 74,169,353.76 × 21,790,198.48
  4. Step 4: Simplify right side
    49,469,414.80x = 1,616,164,939,563,734.50
  5. Step 5: Solve for x
    x = 1,616,164,939,563,734.50/49,469,414.80
  6. Step 6: Final answer
    x = 32,669,982.98

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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.