Home / 99,850,156.20-149,775,234.30-83,725,842.60

Finding the Fourth Proportional to 99,850,156.20, 149,775,234.30 and 83,725,842.60

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Solution

The fourth proportional to 99,850,156.20, 149,775,234.30 and 83,725,842.60 is: 125,588,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,850,156.20 : 149,775,234.30 = 83,725,842.60 : x
  2. Step 2: Convert to fraction form
    99,850,156.20/149,775,234.30 = 83,725,842.60/x
  3. Step 3: Cross multiply
    99,850,156.20x = 149,775,234.30 × 83,725,842.60
  4. Step 4: Simplify right side
    99,850,156.20x = 12,540,057,692,379,922
  5. Step 5: Solve for x
    x = 12,540,057,692,379,922/99,850,156.20
  6. Step 6: Final answer
    x = 125,588,763.90

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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.