Finding the Fourth Proportional to 246,334,207.86, 339,904,640.79 and 149,613,236.19
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Solution
The fourth proportional to 246,334,207.86, 339,904,640.79 and 149,613,236.19 is: 206,444,057.23
Step by Step Solution
- Step 1: Write the proportion equation
246,334,207.86 : 339,904,640.79 = 149,613,236.19 : x - Step 2: Convert to fraction form
246,334,207.86/339,904,640.79 = 149,613,236.19/x - Step 3: Cross multiply
246,334,207.86x = 339,904,640.79 × 149,613,236.19 - Step 4: Simplify right side
246,334,207.86x = 50,854,233,304,591,384 - Step 5: Solve for x
x = 50,854,233,304,591,384/246,334,207.86 - Step 6: Final answer
x = 206,444,057.23
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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.