Finding the Fourth Proportional to 231,759,722.36, 347,585,651.62 and 86,261,805.38
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Solution
The fourth proportional to 231,759,722.36, 347,585,651.62 and 86,261,805.38 is: 129,372,634.42
Step by Step Solution
- Step 1: Write the proportion equation
231,759,722.36 : 347,585,651.62 = 86,261,805.38 : x - Step 2: Convert to fraction form
231,759,722.36/347,585,651.62 = 86,261,805.38/x - Step 3: Cross multiply
231,759,722.36x = 347,585,651.62 × 86,261,805.38 - Step 4: Simplify right side
231,759,722.36x = 29,983,365,833,578,228 - Step 5: Solve for x
x = 29,983,365,833,578,228/231,759,722.36 - Step 6: Final answer
x = 129,372,634.42
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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.