Home / 218,330,198.60-327,495,297.90-185,451,715.40

Finding the Fourth Proportional to 218,330,198.60, 327,495,297.90 and 185,451,715.40

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Solution

The fourth proportional to 218,330,198.60, 327,495,297.90 and 185,451,715.40 is: 278,177,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,330,198.60 : 327,495,297.90 = 185,451,715.40 : x
  2. Step 2: Convert to fraction form
    218,330,198.60/327,495,297.90 = 185,451,715.40/x
  3. Step 3: Cross multiply
    218,330,198.60x = 327,495,297.90 × 185,451,715.40
  4. Step 4: Simplify right side
    218,330,198.60x = 60,734,564,780,989,016
  5. Step 5: Solve for x
    x = 60,734,564,780,989,016/218,330,198.60
  6. Step 6: Final answer
    x = 278,177,573.10

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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.