Home / 139,969,412.20-209,954,118.30-133,922,794.60

Finding the Fourth Proportional to 139,969,412.20, 209,954,118.30 and 133,922,794.60

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Solution

The fourth proportional to 139,969,412.20, 209,954,118.30 and 133,922,794.60 is: 200,884,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,412.20 : 209,954,118.30 = 133,922,794.60 : x
  2. Step 2: Convert to fraction form
    139,969,412.20/209,954,118.30 = 133,922,794.60/x
  3. Step 3: Cross multiply
    139,969,412.20x = 209,954,118.30 × 133,922,794.60
  4. Step 4: Simplify right side
    139,969,412.20x = 28,117,642,260,515,000
  5. Step 5: Solve for x
    x = 28,117,642,260,515,000/139,969,412.20
  6. Step 6: Final answer
    x = 200,884,191.90

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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.