Finding the Fourth Proportional to 208,841,108.36, 311,728,690.38 and 193,450,577
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Solution
The fourth proportional to 208,841,108.36, 311,728,690.38 and 193,450,577 is: 288,755,865.62
Step by Step Solution
- Step 1: Write the proportion equation
208,841,108.36 : 311,728,690.38 = 193,450,577 : x - Step 2: Convert to fraction form
208,841,108.36/311,728,690.38 = 193,450,577/x - Step 3: Cross multiply
208,841,108.36x = 311,728,690.38 × 193,450,577 - Step 4: Simplify right side
208,841,108.36x = 60,304,095,020,498,096 - Step 5: Solve for x
x = 60,304,095,020,498,096/208,841,108.36 - Step 6: Final answer
x = 288,755,865.62
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.