Home / 272,512,716.30-408,281,920.20-165,840,697.80

Finding the Fourth Proportional to 272,512,716.30, 408,281,920.20 and 165,840,697.80

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Solution

The fourth proportional to 272,512,716.30, 408,281,920.20 and 165,840,697.80 is: 248,464,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,512,716.30 : 408,281,920.20 = 165,840,697.80 : x
  2. Step 2: Convert to fraction form
    272,512,716.30/408,281,920.20 = 165,840,697.80/x
  3. Step 3: Cross multiply
    272,512,716.30x = 408,281,920.20 × 165,840,697.80
  4. Step 4: Simplify right side
    272,512,716.30x = 67,709,758,545,091,920
  5. Step 5: Solve for x
    x = 67,709,758,545,091,920/272,512,716.30
  6. Step 6: Final answer
    x = 248,464,583.47

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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.