Home / 272,515,371.30-408,285,902.70-165,843,352.80

Finding the Fourth Proportional to 272,515,371.30, 408,285,902.70 and 165,843,352.80

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Solution

The fourth proportional to 272,515,371.30, 408,285,902.70 and 165,843,352.80 is: 248,468,564.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,515,371.30 : 408,285,902.70 = 165,843,352.80 : x
  2. Step 2: Convert to fraction form
    272,515,371.30/408,285,902.70 = 165,843,352.80/x
  3. Step 3: Cross multiply
    272,515,371.30x = 408,285,902.70 × 165,843,352.80
  4. Step 4: Simplify right side
    272,515,371.30x = 67,711,503,004,742,576
  5. Step 5: Solve for x
    x = 67,711,503,004,742,576/272,515,371.30
  6. Step 6: Final answer
    x = 248,468,564.11

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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.