Home / 203,333,105.26-280,714,913.31-155,558,476.42

Finding the Fourth Proportional to 203,333,105.26, 280,714,913.31 and 155,558,476.42

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Solution

The fourth proportional to 203,333,105.26, 280,714,913.31 and 155,558,476.42 is: 214,758,851.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,333,105.26 : 280,714,913.31 = 155,558,476.42 : x
  2. Step 2: Convert to fraction form
    203,333,105.26/280,714,913.31 = 155,558,476.42/x
  3. Step 3: Cross multiply
    203,333,105.26x = 280,714,913.31 × 155,558,476.42
  4. Step 4: Simplify right side
    203,333,105.26x = 43,667,584,222,875,976
  5. Step 5: Solve for x
    x = 43,667,584,222,875,976/203,333,105.26
  6. Step 6: Final answer
    x = 214,758,851.82

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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.