Home / 272,980,207.20-409,470,310.80-88,747,327.20

Finding the Fourth Proportional to 272,980,207.20, 409,470,310.80 and 88,747,327.20

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Solution

The fourth proportional to 272,980,207.20, 409,470,310.80 and 88,747,327.20 is: 133,120,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,980,207.20 : 409,470,310.80 = 88,747,327.20 : x
  2. Step 2: Convert to fraction form
    272,980,207.20/409,470,310.80 = 88,747,327.20/x
  3. Step 3: Cross multiply
    272,980,207.20x = 409,470,310.80 × 88,747,327.20
  4. Step 4: Simplify right side
    272,980,207.20x = 36,339,395,651,253,296
  5. Step 5: Solve for x
    x = 36,339,395,651,253,296/272,980,207.20
  6. Step 6: Final answer
    x = 133,120,990.80

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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.