Home / 80,591,818.40-120,902,473.20-32,727,600.80

Finding the Fourth Proportional to 80,591,818.40, 120,902,473.20 and 32,727,600.80

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Solution

The fourth proportional to 80,591,818.40, 120,902,473.20 and 32,727,600.80 is: 49,097,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,591,818.40 : 120,902,473.20 = 32,727,600.80 : x
  2. Step 2: Convert to fraction form
    80,591,818.40/120,902,473.20 = 32,727,600.80/x
  3. Step 3: Cross multiply
    80,591,818.40x = 120,902,473.20 × 32,727,600.80
  4. Step 4: Simplify right side
    80,591,818.40x = 3,956,847,878,622,298.50
  5. Step 5: Solve for x
    x = 3,956,847,878,622,298.50/80,591,818.40
  6. Step 6: Final answer
    x = 49,097,389.25

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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.