Home / 200,644,371.27-300,868,091.10-82,447,720.49

Finding the Fourth Proportional to 200,644,371.27, 300,868,091.10 and 82,447,720.49

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Solution

The fourth proportional to 200,644,371.27, 300,868,091.10 and 82,447,720.49 is: 123,631,119.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,644,371.27 : 300,868,091.10 = 82,447,720.49 : x
  2. Step 2: Convert to fraction form
    200,644,371.27/300,868,091.10 = 82,447,720.49/x
  3. Step 3: Cross multiply
    200,644,371.27x = 300,868,091.10 × 82,447,720.49
  4. Step 4: Simplify right side
    200,644,371.27x = 24,805,888,280,124,832
  5. Step 5: Solve for x
    x = 24,805,888,280,124,832/200,644,371.27
  6. Step 6: Final answer
    x = 123,631,119.69

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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.