Home / 80,441,791.58-120,699,796.68-36,735,948.42

Finding the Fourth Proportional to 80,441,791.58, 120,699,796.68 and 36,735,948.42

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Solution

The fourth proportional to 80,441,791.58, 120,699,796.68 and 36,735,948.42 is: 55,120,869.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,441,791.58 : 120,699,796.68 = 36,735,948.42 : x
  2. Step 2: Convert to fraction form
    80,441,791.58/120,699,796.68 = 36,735,948.42/x
  3. Step 3: Cross multiply
    80,441,791.58x = 120,699,796.68 × 36,735,948.42
  4. Step 4: Simplify right side
    80,441,791.58x = 4,434,021,505,140,967.50
  5. Step 5: Solve for x
    x = 4,434,021,505,140,967.50/80,441,791.58
  6. Step 6: Final answer
    x = 55,120,869.61

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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.