Finding the Fourth Proportional to 272,728,446.26, 376,253,836.49 and 201,372,338.86
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Solution
The fourth proportional to 272,728,446.26, 376,253,836.49 and 201,372,338.86 is: 277,811,559.81
Step by Step Solution
- Step 1: Write the proportion equation
272,728,446.26 : 376,253,836.49 = 201,372,338.86 : x - Step 2: Convert to fraction form
272,728,446.26/376,253,836.49 = 201,372,338.86/x - Step 3: Cross multiply
272,728,446.26x = 376,253,836.49 × 201,372,338.86 - Step 4: Simplify right side
272,728,446.26x = 75,767,115,058,602,112 - Step 5: Solve for x
x = 75,767,115,058,602,112/272,728,446.26 - Step 6: Final answer
x = 277,811,559.81
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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.