Home / 204,780,287.80-307,170,431.70-191,343,359.80

Finding the Fourth Proportional to 204,780,287.80, 307,170,431.70 and 191,343,359.80

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Solution

The fourth proportional to 204,780,287.80, 307,170,431.70 and 191,343,359.80 is: 287,015,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,780,287.80 : 307,170,431.70 = 191,343,359.80 : x
  2. Step 2: Convert to fraction form
    204,780,287.80/307,170,431.70 = 191,343,359.80/x
  3. Step 3: Cross multiply
    204,780,287.80x = 307,170,431.70 × 191,343,359.80
  4. Step 4: Simplify right side
    204,780,287.80x = 58,775,022,432,694,424
  5. Step 5: Solve for x
    x = 58,775,022,432,694,424/204,780,287.80
  6. Step 6: Final answer
    x = 287,015,039.70

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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.