Home / 200,202,314.20-300,303,471.30-85,190,608.60

Finding the Fourth Proportional to 200,202,314.20, 300,303,471.30 and 85,190,608.60

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Solution

The fourth proportional to 200,202,314.20, 300,303,471.30 and 85,190,608.60 is: 127,785,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,202,314.20 : 300,303,471.30 = 85,190,608.60 : x
  2. Step 2: Convert to fraction form
    200,202,314.20/300,303,471.30 = 85,190,608.60/x
  3. Step 3: Cross multiply
    200,202,314.20x = 300,303,471.30 × 85,190,608.60
  4. Step 4: Simplify right side
    200,202,314.20x = 25,583,035,484,739,632
  5. Step 5: Solve for x
    x = 25,583,035,484,739,632/200,202,314.20
  6. Step 6: Final answer
    x = 127,785,912.90

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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.