Home / 236,879,211.20-355,318,816.80-199,465,764.80

Finding the Fourth Proportional to 236,879,211.20, 355,318,816.80 and 199,465,764.80

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Solution

The fourth proportional to 236,879,211.20, 355,318,816.80 and 199,465,764.80 is: 299,198,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,879,211.20 : 355,318,816.80 = 199,465,764.80 : x
  2. Step 2: Convert to fraction form
    236,879,211.20/355,318,816.80 = 199,465,764.80/x
  3. Step 3: Cross multiply
    236,879,211.20x = 355,318,816.80 × 199,465,764.80
  4. Step 4: Simplify right side
    236,879,211.20x = 70,873,939,540,843,096
  5. Step 5: Solve for x
    x = 70,873,939,540,843,096/236,879,211.20
  6. Step 6: Final answer
    x = 299,198,647.20

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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.