Home / 355,923,111.84-491,181,805.62-203,156,542.80

Finding the Fourth Proportional to 355,923,111.84, 491,181,805.62 and 203,156,542.80

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Solution

The fourth proportional to 355,923,111.84, 491,181,805.62 and 203,156,542.80 is: 280,360,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,923,111.84 : 491,181,805.62 = 203,156,542.80 : x
  2. Step 2: Convert to fraction form
    355,923,111.84/491,181,805.62 = 203,156,542.80/x
  3. Step 3: Cross multiply
    355,923,111.84x = 491,181,805.62 × 203,156,542.80
  4. Step 4: Simplify right side
    355,923,111.84x = 99,786,797,516,020,816
  5. Step 5: Solve for x
    x = 99,786,797,516,020,816/355,923,111.84
  6. Step 6: Final answer
    x = 280,360,544.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.