Home / 225,530,186.18-338,296,773.96-87,371,137.28

Finding the Fourth Proportional to 225,530,186.18, 338,296,773.96 and 87,371,137.28

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Solution

The fourth proportional to 225,530,186.18, 338,296,773.96 and 87,371,137.28 is: 131,057,284.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,530,186.18 : 338,296,773.96 = 87,371,137.28 : x
  2. Step 2: Convert to fraction form
    225,530,186.18/338,296,773.96 = 87,371,137.28/x
  3. Step 3: Cross multiply
    225,530,186.18x = 338,296,773.96 × 87,371,137.28
  4. Step 4: Simplify right side
    225,530,186.18x = 29,557,373,879,040,288
  5. Step 5: Solve for x
    x = 29,557,373,879,040,288/225,530,186.18
  6. Step 6: Final answer
    x = 131,057,284.97

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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.