Home / 80,612,037.20-120,933,802.20-32,081,632.40

Finding the Fourth Proportional to 80,612,037.20, 120,933,802.20 and 32,081,632.40

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Solution

The fourth proportional to 80,612,037.20, 120,933,802.20 and 32,081,632.40 is: 48,128,715.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,612,037.20 : 120,933,802.20 = 32,081,632.40 : x
  2. Step 2: Convert to fraction form
    80,612,037.20/120,933,802.20 = 32,081,632.40/x
  3. Step 3: Cross multiply
    80,612,037.20x = 120,933,802.20 × 32,081,632.40
  4. Step 4: Simplify right side
    80,612,037.20x = 3,879,753,786,914,711
  5. Step 5: Solve for x
    x = 3,879,753,786,914,711/80,612,037.20
  6. Step 6: Final answer
    x = 48,128,715.28

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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.