Home / 211,968,233.20-317,840,375.40-90,662,633.20

Finding the Fourth Proportional to 211,968,233.20, 317,840,375.40 and 90,662,633.20

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Solution

The fourth proportional to 211,968,233.20, 317,840,375.40 and 90,662,633.20 is: 135,946,056.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,968,233.20 : 317,840,375.40 = 90,662,633.20 : x
  2. Step 2: Convert to fraction form
    211,968,233.20/317,840,375.40 = 90,662,633.20/x
  3. Step 3: Cross multiply
    211,968,233.20x = 317,840,375.40 × 90,662,633.20
  4. Step 4: Simplify right side
    211,968,233.20x = 28,816,245,371,040,504
  5. Step 5: Solve for x
    x = 28,816,245,371,040,504/211,968,233.20
  6. Step 6: Final answer
    x = 135,946,056.33

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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.