Home / 80,809,394.58-121,214,091.87-29,669,286.42

Finding the Fourth Proportional to 80,809,394.58, 121,214,091.87 and 29,669,286.42

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Solution

The fourth proportional to 80,809,394.58, 121,214,091.87 and 29,669,286.42 is: 44,503,929.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,809,394.58 : 121,214,091.87 = 29,669,286.42 : x
  2. Step 2: Convert to fraction form
    80,809,394.58/121,214,091.87 = 29,669,286.42/x
  3. Step 3: Cross multiply
    80,809,394.58x = 121,214,091.87 × 29,669,286.42
  4. Step 4: Simplify right side
    80,809,394.58x = 3,596,335,609,831,224
  5. Step 5: Solve for x
    x = 3,596,335,609,831,224/80,809,394.58
  6. Step 6: Final answer
    x = 44,503,929.63

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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.