Finding the Fourth Proportional to 226,967,982.07, 313,206,137.82 and 126,491,072.75
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Solution
The fourth proportional to 226,967,982.07, 313,206,137.82 and 126,491,072.75 is: 174,552,287.08
Step by Step Solution
- Step 1: Write the proportion equation
226,967,982.07 : 313,206,137.82 = 126,491,072.75 : x - Step 2: Convert to fraction form
226,967,982.07/313,206,137.82 = 126,491,072.75/x - Step 3: Cross multiply
226,967,982.07x = 313,206,137.82 × 126,491,072.75 - Step 4: Simplify right side
226,967,982.07x = 39,617,780,364,736,144 - Step 5: Solve for x
x = 39,617,780,364,736,144/226,967,982.07 - Step 6: Final answer
x = 174,552,287.08
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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.