Home / 259,221,791.22-388,833,081.34-105,867,847.65

Finding the Fourth Proportional to 259,221,791.22, 388,833,081.34 and 105,867,847.65

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Solution

The fourth proportional to 259,221,791.22, 388,833,081.34 and 105,867,847.65 is: 158,801,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,221,791.22 : 388,833,081.34 = 105,867,847.65 : x
  2. Step 2: Convert to fraction form
    259,221,791.22/388,833,081.34 = 105,867,847.65/x
  3. Step 3: Cross multiply
    259,221,791.22x = 388,833,081.34 × 105,867,847.65
  4. Step 4: Simplify right side
    259,221,791.22x = 41,164,921,416,583,176
  5. Step 5: Solve for x
    x = 41,164,921,416,583,176/259,221,791.22
  6. Step 6: Final answer
    x = 158,801,932.60

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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.