Finding the Fourth Proportional to 213,192,126.97, 294,207,163.40 and 125,087,623.65
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Solution
The fourth proportional to 213,192,126.97, 294,207,163.40 and 125,087,623.65 is: 172,622,110.65
Step by Step Solution
- Step 1: Write the proportion equation
213,192,126.97 : 294,207,163.40 = 125,087,623.65 : x - Step 2: Convert to fraction form
213,192,126.97/294,207,163.40 = 125,087,623.65/x - Step 3: Cross multiply
213,192,126.97x = 294,207,163.40 × 125,087,623.65 - Step 4: Simplify right side
213,192,126.97x = 36,801,674,930,825,968 - Step 5: Solve for x
x = 36,801,674,930,825,968/213,192,126.97 - Step 6: Final answer
x = 172,622,110.65
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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.