Home / 299,904,103.20-448,960,359.60-178,673,152.80

Finding the Fourth Proportional to 299,904,103.20, 448,960,359.60 and 178,673,152.80

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Solution

The fourth proportional to 299,904,103.20, 448,960,359.60 and 178,673,152.80 is: 267,476,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,904,103.20 : 448,960,359.60 = 178,673,152.80 : x
  2. Step 2: Convert to fraction form
    299,904,103.20/448,960,359.60 = 178,673,152.80/x
  3. Step 3: Cross multiply
    299,904,103.20x = 448,960,359.60 × 178,673,152.80
  4. Step 4: Simplify right side
    299,904,103.20x = 80,217,162,931,953,760
  5. Step 5: Solve for x
    x = 80,217,162,931,953,760/299,904,103.20
  6. Step 6: Final answer
    x = 267,476,043.43

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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.