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Finding the Fourth Proportional to 202,230,071.70, 303,345,107.55 and 100,193,399.70

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Solution

The fourth proportional to 202,230,071.70, 303,345,107.55 and 100,193,399.70 is: 150,290,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,230,071.70 : 303,345,107.55 = 100,193,399.70 : x
  2. Step 2: Convert to fraction form
    202,230,071.70/303,345,107.55 = 100,193,399.70/x
  3. Step 3: Cross multiply
    202,230,071.70x = 303,345,107.55 × 100,193,399.70
  4. Step 4: Simplify right side
    202,230,071.70x = 30,393,177,607,796,640
  5. Step 5: Solve for x
    x = 30,393,177,607,796,640/202,230,071.70
  6. Step 6: Final answer
    x = 150,290,099.55

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1.5x scale

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.