Home / 200,236,822.60-300,355,233.90-186,206,780.20

Finding the Fourth Proportional to 200,236,822.60, 300,355,233.90 and 186,206,780.20

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Solution

The fourth proportional to 200,236,822.60, 300,355,233.90 and 186,206,780.20 is: 279,310,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,236,822.60 : 300,355,233.90 = 186,206,780.20 : x
  2. Step 2: Convert to fraction form
    200,236,822.60/300,355,233.90 = 186,206,780.20/x
  3. Step 3: Cross multiply
    200,236,822.60x = 300,355,233.90 × 186,206,780.20
  4. Step 4: Simplify right side
    200,236,822.60x = 55,928,181,020,736,880
  5. Step 5: Solve for x
    x = 55,928,181,020,736,880/200,236,822.60
  6. Step 6: Final answer
    x = 279,310,170.30

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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.