Finding the Fourth Proportional to 194,305,316.61, 291,161,396.17 and 115,366,377.07
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Solution
The fourth proportional to 194,305,316.61, 291,161,396.17 and 115,366,377.07 is: 172,873,475.65
Step by Step Solution
- Step 1: Write the proportion equation
194,305,316.61 : 291,161,396.17 = 115,366,377.07 : x - Step 2: Convert to fraction form
194,305,316.61/291,161,396.17 = 115,366,377.07/x - Step 3: Cross multiply
194,305,316.61x = 291,161,396.17 × 115,366,377.07 - Step 4: Simplify right side
194,305,316.61x = 33,590,235,418,775,872 - Step 5: Solve for x
x = 33,590,235,418,775,872/194,305,316.61 - Step 6: Final answer
x = 172,873,475.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.