Home / 272,512,846.80-408,769,270.20-199,333,421.10

Finding the Fourth Proportional to 272,512,846.80, 408,769,270.20 and 199,333,421.10

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Solution

The fourth proportional to 272,512,846.80, 408,769,270.20 and 199,333,421.10 is: 299,000,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,512,846.80 : 408,769,270.20 = 199,333,421.10 : x
  2. Step 2: Convert to fraction form
    272,512,846.80/408,769,270.20 = 199,333,421.10/x
  3. Step 3: Cross multiply
    272,512,846.80x = 408,769,270.20 × 199,333,421.10
  4. Step 4: Simplify right side
    272,512,846.80x = 81,481,377,069,516,272
  5. Step 5: Solve for x
    x = 81,481,377,069,516,272/272,512,846.80
  6. Step 6: Final answer
    x = 299,000,131.65

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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.