Home / 228,383,694.42-315,161,051.49-123,959,544.18

Finding the Fourth Proportional to 228,383,694.42, 315,161,051.49 and 123,959,544.18

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Solution

The fourth proportional to 228,383,694.42, 315,161,051.49 and 123,959,544.18 is: 171,059,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,383,694.42 : 315,161,051.49 = 123,959,544.18 : x
  2. Step 2: Convert to fraction form
    228,383,694.42/315,161,051.49 = 123,959,544.18/x
  3. Step 3: Cross multiply
    228,383,694.42x = 315,161,051.49 × 123,959,544.18
  4. Step 4: Simplify right side
    228,383,694.42x = 39,067,220,285,989,912
  5. Step 5: Solve for x
    x = 39,067,220,285,989,912/228,383,694.42
  6. Step 6: Final answer
    x = 171,059,586.30

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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.