Finding the Fourth Proportional to 236,198,163.78, 325,953,668.97 and 131,776,251.17
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Solution
The fourth proportional to 236,198,163.78, 325,953,668.97 and 131,776,251.17 is: 181,851,339.84
Step by Step Solution
- Step 1: Write the proportion equation
236,198,163.78 : 325,953,668.97 = 131,776,251.17 : x - Step 2: Convert to fraction form
236,198,163.78/325,953,668.97 = 131,776,251.17/x - Step 3: Cross multiply
236,198,163.78x = 325,953,668.97 × 131,776,251.17 - Step 4: Simplify right side
236,198,163.78x = 42,952,952,550,343,992 - Step 5: Solve for x
x = 42,952,952,550,343,992/236,198,163.78 - Step 6: Final answer
x = 181,851,339.84
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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.