Home / 306,890,317.82-460,626,507.20-189,951,945.56

Finding the Fourth Proportional to 306,890,317.82, 460,626,507.20 and 189,951,945.56

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Solution

The fourth proportional to 306,890,317.82, 460,626,507.20 and 189,951,945.56 is: 285,108,053.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,890,317.82 : 460,626,507.20 = 189,951,945.56 : x
  2. Step 2: Convert to fraction form
    306,890,317.82/460,626,507.20 = 189,951,945.56/x
  3. Step 3: Cross multiply
    306,890,317.82x = 460,626,507.20 × 189,951,945.56
  4. Step 4: Simplify right side
    306,890,317.82x = 87,496,901,219,147,344
  5. Step 5: Solve for x
    x = 87,496,901,219,147,344/306,890,317.82
  6. Step 6: Final answer
    x = 285,108,053.72

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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.