Home / 257,204,609.20-354,972,789.48-152,783,093.08

Finding the Fourth Proportional to 257,204,609.20, 354,972,789.48 and 152,783,093.08

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Solution

The fourth proportional to 257,204,609.20, 354,972,789.48 and 152,783,093.08 is: 210,858,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,204,609.20 : 354,972,789.48 = 152,783,093.08 : x
  2. Step 2: Convert to fraction form
    257,204,609.20/354,972,789.48 = 152,783,093.08/x
  3. Step 3: Cross multiply
    257,204,609.20x = 354,972,789.48 × 152,783,093.08
  4. Step 4: Simplify right side
    257,204,609.20x = 54,233,840,735,990,096
  5. Step 5: Solve for x
    x = 54,233,840,735,990,096/257,204,609.20
  6. Step 6: Final answer
    x = 210,858,743.57

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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.