Home / 200,202,327.45-300,303,491.18-85,190,621.85

Finding the Fourth Proportional to 200,202,327.45, 300,303,491.18 and 85,190,621.85

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Solution

The fourth proportional to 200,202,327.45, 300,303,491.18 and 85,190,621.85 is: 127,785,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,202,327.45 : 300,303,491.18 = 85,190,621.85 : x
  2. Step 2: Convert to fraction form
    200,202,327.45/300,303,491.18 = 85,190,621.85/x
  3. Step 3: Cross multiply
    200,202,327.45x = 300,303,491.18 × 85,190,621.85
  4. Step 4: Simplify right side
    200,202,327.45x = 25,583,041,156,924,236
  5. Step 5: Solve for x
    x = 25,583,041,156,924,236/200,202,327.45
  6. Step 6: Final answer
    x = 127,785,932.78

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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.