Finding the Fourth Proportional to 151,892,151.19, 209,612,174.97 and 82,277,531.44
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Solution
The fourth proportional to 151,892,151.19, 209,612,174.97 and 82,277,531.44 is: 113,543,538.50
Step by Step Solution
- Step 1: Write the proportion equation
151,892,151.19 : 209,612,174.97 = 82,277,531.44 : x - Step 2: Convert to fraction form
151,892,151.19/209,612,174.97 = 82,277,531.44/x - Step 3: Cross multiply
151,892,151.19x = 209,612,174.97 × 82,277,531.44 - Step 4: Simplify right side
151,892,151.19x = 17,246,372,316,300,956 - Step 5: Solve for x
x = 17,246,372,316,300,956/151,892,151.19 - Step 6: Final answer
x = 113,543,538.50
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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.