Home / 80,612,097.20-120,933,892.20-32,081,692.40

Finding the Fourth Proportional to 80,612,097.20, 120,933,892.20 and 32,081,692.40

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Solution

The fourth proportional to 80,612,097.20, 120,933,892.20 and 32,081,692.40 is: 48,128,805.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,612,097.20 : 120,933,892.20 = 32,081,692.40 : x
  2. Step 2: Convert to fraction form
    80,612,097.20/120,933,892.20 = 32,081,692.40/x
  3. Step 3: Cross multiply
    80,612,097.20x = 120,933,892.20 × 32,081,692.40
  4. Step 4: Simplify right side
    80,612,097.20x = 3,879,763,930,295,159
  5. Step 5: Solve for x
    x = 3,879,763,930,295,159/80,612,097.20
  6. Step 6: Final answer
    x = 48,128,805.29

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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.