Home / 221,948,015.40-332,922,023.10-200,448,930.60

Finding the Fourth Proportional to 221,948,015.40, 332,922,023.10 and 200,448,930.60

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Solution

The fourth proportional to 221,948,015.40, 332,922,023.10 and 200,448,930.60 is: 300,673,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,948,015.40 : 332,922,023.10 = 200,448,930.60 : x
  2. Step 2: Convert to fraction form
    221,948,015.40/332,922,023.10 = 200,448,930.60/x
  3. Step 3: Cross multiply
    221,948,015.40x = 332,922,023.10 × 200,448,930.60
  4. Step 4: Simplify right side
    221,948,015.40x = 66,733,863,503,583,496
  5. Step 5: Solve for x
    x = 66,733,863,503,583,496/221,948,015.40
  6. Step 6: Final answer
    x = 300,673,395.90

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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.