Home / 272,512,986.80-408,769,480.20-199,333,561.10

Finding the Fourth Proportional to 272,512,986.80, 408,769,480.20 and 199,333,561.10

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Solution

The fourth proportional to 272,512,986.80, 408,769,480.20 and 199,333,561.10 is: 299,000,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,512,986.80 : 408,769,480.20 = 199,333,561.10 : x
  2. Step 2: Convert to fraction form
    272,512,986.80/408,769,480.20 = 199,333,561.10/x
  3. Step 3: Cross multiply
    272,512,986.80x = 408,769,480.20 × 199,333,561.10
  4. Step 4: Simplify right side
    272,512,986.80x = 81,481,476,157,261,936
  5. Step 5: Solve for x
    x = 81,481,476,157,261,936/272,512,986.80
  6. Step 6: Final answer
    x = 299,000,341.65

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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.