Home / 119,873,770.20-165,313,528.92-79,568,482.80

Finding the Fourth Proportional to 119,873,770.20, 165,313,528.92 and 79,568,482.80

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Solution

The fourth proportional to 119,873,770.20, 165,313,528.92 and 79,568,482.80 is: 109,729,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,873,770.20 : 165,313,528.92 = 79,568,482.80 : x
  2. Step 2: Convert to fraction form
    119,873,770.20/165,313,528.92 = 79,568,482.80/x
  3. Step 3: Cross multiply
    119,873,770.20x = 165,313,528.92 × 79,568,482.80
  4. Step 4: Simplify right side
    119,873,770.20x = 13,153,746,682,478,322
  5. Step 5: Solve for x
    x = 13,153,746,682,478,322/119,873,770.20
  6. Step 6: Final answer
    x = 109,729,982.30

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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.