Finding the Fourth Proportional to 194,305,315.61, 291,161,394.68 and 115,366,376.07
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Solution
The fourth proportional to 194,305,315.61, 291,161,394.68 and 115,366,376.07 is: 172,873,474.15
Step by Step Solution
- Step 1: Write the proportion equation
194,305,315.61 : 291,161,394.68 = 115,366,376.07 : x - Step 2: Convert to fraction form
194,305,315.61/291,161,394.68 = 115,366,376.07/x - Step 3: Cross multiply
194,305,315.61x = 291,161,394.68 × 115,366,376.07 - Step 4: Simplify right side
194,305,315.61x = 33,590,234,955,141,744 - Step 5: Solve for x
x = 33,590,234,955,141,744/194,305,315.61 - Step 6: Final answer
x = 172,873,474.15
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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.