Home / 129,568,857.95-177,853,252.44-114,555,649.70

Finding the Fourth Proportional to 129,568,857.95, 177,853,252.44 and 114,555,649.70

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Solution

The fourth proportional to 129,568,857.95, 177,853,252.44 and 114,555,649.70 is: 157,245,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,568,857.95 : 177,853,252.44 = 114,555,649.70 : x
  2. Step 2: Convert to fraction form
    129,568,857.95/177,853,252.44 = 114,555,649.70/x
  3. Step 3: Cross multiply
    129,568,857.95x = 177,853,252.44 × 114,555,649.70
  4. Step 4: Simplify right side
    129,568,857.95x = 20,374,094,883,591,668
  5. Step 5: Solve for x
    x = 20,374,094,883,591,668/129,568,857.95
  6. Step 6: Final answer
    x = 157,245,307.29

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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.