Home / 225,412,204.15-338,160,783.37-85,394,601.24

Finding the Fourth Proportional to 225,412,204.15, 338,160,783.37 and 85,394,601.24

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Solution

The fourth proportional to 225,412,204.15, 338,160,783.37 and 85,394,601.24 is: 128,107,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,412,204.15 : 338,160,783.37 = 85,394,601.24 : x
  2. Step 2: Convert to fraction form
    225,412,204.15/338,160,783.37 = 85,394,601.24/x
  3. Step 3: Cross multiply
    225,412,204.15x = 338,160,783.37 × 85,394,601.24
  4. Step 4: Simplify right side
    225,412,204.15x = 28,877,105,250,887,172
  5. Step 5: Solve for x
    x = 28,877,105,250,887,172/225,412,204.15
  6. Step 6: Final answer
    x = 128,107,993.80

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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.