Home / 189,378,396.90-261,522,677.43-179,061,204.96

Finding the Fourth Proportional to 189,378,396.90, 261,522,677.43 and 179,061,204.96

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Solution

The fourth proportional to 189,378,396.90, 261,522,677.43 and 179,061,204.96 is: 247,275,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,378,396.90 : 261,522,677.43 = 179,061,204.96 : x
  2. Step 2: Convert to fraction form
    189,378,396.90/261,522,677.43 = 179,061,204.96/x
  3. Step 3: Cross multiply
    189,378,396.90x = 261,522,677.43 × 179,061,204.96
  4. Step 4: Simplify right side
    189,378,396.90x = 46,828,565,744,981,200
  5. Step 5: Solve for x
    x = 46,828,565,744,981,200/189,378,396.90
  6. Step 6: Final answer
    x = 247,275,119.61

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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.