Home / 272,348,469.20-408,821,302.20-170,227,816.40

Finding the Fourth Proportional to 272,348,469.20, 408,821,302.20 and 170,227,816.40

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Solution

The fourth proportional to 272,348,469.20, 408,821,302.20 and 170,227,816.40 is: 255,528,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,348,469.20 : 408,821,302.20 = 170,227,816.40 : x
  2. Step 2: Convert to fraction form
    272,348,469.20/408,821,302.20 = 170,227,816.40/x
  3. Step 3: Cross multiply
    272,348,469.20x = 408,821,302.20 × 170,227,816.40
  4. Step 4: Simplify right side
    272,348,469.20x = 69,592,757,571,310,520
  5. Step 5: Solve for x
    x = 69,592,757,571,310,520/272,348,469.20
  6. Step 6: Final answer
    x = 255,528,359.59

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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.