Home / 80,853,212.20-121,321,808.70-35,419,599.40

Finding the Fourth Proportional to 80,853,212.20, 121,321,808.70 and 35,419,599.40

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Solution

The fourth proportional to 80,853,212.20, 121,321,808.70 and 35,419,599.40 is: 53,147,793.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,853,212.20 : 121,321,808.70 = 35,419,599.40 : x
  2. Step 2: Convert to fraction form
    80,853,212.20/121,321,808.70 = 35,419,599.40/x
  3. Step 3: Cross multiply
    80,853,212.20x = 121,321,808.70 × 35,419,599.40
  4. Step 4: Simplify right side
    80,853,212.20x = 4,297,169,862,637,434.50
  5. Step 5: Solve for x
    x = 4,297,169,862,637,434.50/80,853,212.20
  6. Step 6: Final answer
    x = 53,147,793.96

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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.