Home / 80,325,199.80-120,403,818.90-43,877,532.60

Finding the Fourth Proportional to 80,325,199.80, 120,403,818.90 and 43,877,532.60

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Solution

The fourth proportional to 80,325,199.80, 120,403,818.90 and 43,877,532.60 is: 65,770,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,325,199.80 : 120,403,818.90 = 43,877,532.60 : x
  2. Step 2: Convert to fraction form
    80,325,199.80/120,403,818.90 = 43,877,532.60/x
  3. Step 3: Cross multiply
    80,325,199.80x = 120,403,818.90 × 43,877,532.60
  4. Step 4: Simplify right side
    80,325,199.80x = 5,283,022,488,949,247
  5. Step 5: Solve for x
    x = 5,283,022,488,949,247/80,325,199.80
  6. Step 6: Final answer
    x = 65,770,424.50

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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.