Home / 272,515,344.30-408,285,862.20-165,843,325.80

Finding the Fourth Proportional to 272,515,344.30, 408,285,862.20 and 165,843,325.80

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Solution

The fourth proportional to 272,515,344.30, 408,285,862.20 and 165,843,325.80 is: 248,468,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,515,344.30 : 408,285,862.20 = 165,843,325.80 : x
  2. Step 2: Convert to fraction form
    272,515,344.30/408,285,862.20 = 165,843,325.80/x
  3. Step 3: Cross multiply
    272,515,344.30x = 408,285,862.20 × 165,843,325.80
  4. Step 4: Simplify right side
    272,515,344.30x = 67,711,485,264,368,504
  5. Step 5: Solve for x
    x = 67,711,485,264,368,504/272,515,344.30
  6. Step 6: Final answer
    x = 248,468,523.63

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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.