Home / 129,568,786.90-177,853,155.10-114,555,578.65

Finding the Fourth Proportional to 129,568,786.90, 177,853,155.10 and 114,555,578.65

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Solution

The fourth proportional to 129,568,786.90, 177,853,155.10 and 114,555,578.65 is: 157,245,209.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,568,786.90 : 177,853,155.10 = 114,555,578.65 : x
  2. Step 2: Convert to fraction form
    129,568,786.90/177,853,155.10 = 114,555,578.65/x
  3. Step 3: Cross multiply
    129,568,786.90x = 177,853,155.10 × 114,555,578.65
  4. Step 4: Simplify right side
    129,568,786.90x = 20,374,071,097,495,088
  5. Step 5: Solve for x
    x = 20,374,071,097,495,088/129,568,786.90
  6. Step 6: Final answer
    x = 157,245,209.94

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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.