Home / 284,653,819.20-427,050,712.80-80,179,233.60

Finding the Fourth Proportional to 284,653,819.20, 427,050,712.80 and 80,179,233.60

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Solution

The fourth proportional to 284,653,819.20, 427,050,712.80 and 80,179,233.60 is: 120,288,562.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,653,819.20 : 427,050,712.80 = 80,179,233.60 : x
  2. Step 2: Convert to fraction form
    284,653,819.20/427,050,712.80 = 80,179,233.60/x
  3. Step 3: Cross multiply
    284,653,819.20x = 427,050,712.80 × 80,179,233.60
  4. Step 4: Simplify right side
    284,653,819.20x = 34,240,598,860,637,708
  5. Step 5: Solve for x
    x = 34,240,598,860,637,708/284,653,819.20
  6. Step 6: Final answer
    x = 120,288,562.99

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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.