Home / 204,429,943.40-306,644,915.10-122,800,605.80

Finding the Fourth Proportional to 204,429,943.40, 306,644,915.10 and 122,800,605.80

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Solution

The fourth proportional to 204,429,943.40, 306,644,915.10 and 122,800,605.80 is: 184,200,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,429,943.40 : 306,644,915.10 = 122,800,605.80 : x
  2. Step 2: Convert to fraction form
    204,429,943.40/306,644,915.10 = 122,800,605.80/x
  3. Step 3: Cross multiply
    204,429,943.40x = 306,644,915.10 × 122,800,605.80
  4. Step 4: Simplify right side
    204,429,943.40x = 37,656,181,339,769,568
  5. Step 5: Solve for x
    x = 37,656,181,339,769,568/204,429,943.40
  6. Step 6: Final answer
    x = 184,200,908.70

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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.