Home / 284,653,820.20-427,050,714.30-80,179,234.60

Finding the Fourth Proportional to 284,653,820.20, 427,050,714.30 and 80,179,234.60

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Solution

The fourth proportional to 284,653,820.20, 427,050,714.30 and 80,179,234.60 is: 120,288,564.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,653,820.20 : 427,050,714.30 = 80,179,234.60 : x
  2. Step 2: Convert to fraction form
    284,653,820.20/427,050,714.30 = 80,179,234.60/x
  3. Step 3: Cross multiply
    284,653,820.20x = 427,050,714.30 × 80,179,234.60
  4. Step 4: Simplify right side
    284,653,820.20x = 34,240,599,407,957,272
  5. Step 5: Solve for x
    x = 34,240,599,407,957,272/284,653,820.20
  6. Step 6: Final answer
    x = 120,288,564.49

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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.