Home / 322,416,005.20-483,624,007.80-80,078,909.20

Finding the Fourth Proportional to 322,416,005.20, 483,624,007.80 and 80,078,909.20

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Solution

The fourth proportional to 322,416,005.20, 483,624,007.80 and 80,078,909.20 is: 120,118,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,416,005.20 : 483,624,007.80 = 80,078,909.20 : x
  2. Step 2: Convert to fraction form
    322,416,005.20/483,624,007.80 = 80,078,909.20/x
  3. Step 3: Cross multiply
    322,416,005.20x = 483,624,007.80 × 80,078,909.20
  4. Step 4: Simplify right side
    322,416,005.20x = 38,728,083,007,556,296
  5. Step 5: Solve for x
    x = 38,728,083,007,556,296/322,416,005.20
  6. Step 6: Final answer
    x = 120,118,363.80

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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.