Home / 79,746,560.87-119,619,841.37-19,162,286.87

Finding the Fourth Proportional to 79,746,560.87, 119,619,841.37 and 19,162,286.87

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Solution

The fourth proportional to 79,746,560.87, 119,619,841.37 and 19,162,286.87 is: 28,743,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746,560.87 : 119,619,841.37 = 19,162,286.87 : x
  2. Step 2: Convert to fraction form
    79,746,560.87/119,619,841.37 = 19,162,286.87/x
  3. Step 3: Cross multiply
    79,746,560.87x = 119,619,841.37 × 19,162,286.87
  4. Step 4: Simplify right side
    79,746,560.87x = 2,292,189,714,981,923
  5. Step 5: Solve for x
    x = 2,292,189,714,981,923/79,746,560.87
  6. Step 6: Final answer
    x = 28,743,430.31

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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.