Home / 200,523,189.38-300,572,495.90-67,449,363.39

Finding the Fourth Proportional to 200,523,189.38, 300,572,495.90 and 67,449,363.39

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Solution

The fourth proportional to 200,523,189.38, 300,572,495.90 and 67,449,363.39 is: 101,102,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,523,189.38 : 300,572,495.90 = 67,449,363.39 : x
  2. Step 2: Convert to fraction form
    200,523,189.38/300,572,495.90 = 67,449,363.39/x
  3. Step 3: Cross multiply
    200,523,189.38x = 300,572,495.90 × 67,449,363.39
  4. Step 4: Simplify right side
    200,523,189.38x = 20,273,423,500,661,136
  5. Step 5: Solve for x
    x = 20,273,423,500,661,136/200,523,189.38
  6. Step 6: Final answer
    x = 101,102,638.37

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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.