Finding the Fourth Proportional to 164,788,891.26, 247,044,319.56 and 135,644,168.60
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Solution
The fourth proportional to 164,788,891.26, 247,044,319.56 and 135,644,168.60 is: 203,351,822.31
Step by Step Solution
- Step 1: Write the proportion equation
164,788,891.26 : 247,044,319.56 = 135,644,168.60 : x - Step 2: Convert to fraction form
164,788,891.26/247,044,319.56 = 135,644,168.60/x - Step 3: Cross multiply
164,788,891.26x = 247,044,319.56 × 135,644,168.60 - Step 4: Simplify right side
164,788,891.26x = 33,510,121,334,068,916 - Step 5: Solve for x
x = 33,510,121,334,068,916/164,788,891.26 - Step 6: Final answer
x = 203,351,822.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.