Home / 129,568,786.65-177,853,154.76-114,555,578.40

Finding the Fourth Proportional to 129,568,786.65, 177,853,154.76 and 114,555,578.40

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Solution

The fourth proportional to 129,568,786.65, 177,853,154.76 and 114,555,578.40 is: 157,245,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,568,786.65 : 177,853,154.76 = 114,555,578.40 : x
  2. Step 2: Convert to fraction form
    129,568,786.65/177,853,154.76 = 114,555,578.40/x
  3. Step 3: Cross multiply
    129,568,786.65x = 177,853,154.76 × 114,555,578.40
  4. Step 4: Simplify right side
    129,568,786.65x = 20,374,071,013,796,512
  5. Step 5: Solve for x
    x = 20,374,071,013,796,512/129,568,786.65
  6. Step 6: Final answer
    x = 157,245,209.60

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.