Finding the Fourth Proportional to 116,848,318.68, 161,236,629.60 and 67,304,805.84
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Solution
The fourth proportional to 116,848,318.68, 161,236,629.60 and 67,304,805.84 is: 92,872,539.14
Step by Step Solution
- Step 1: Write the proportion equation
116,848,318.68 : 161,236,629.60 = 67,304,805.84 : x - Step 2: Convert to fraction form
116,848,318.68/161,236,629.60 = 67,304,805.84/x - Step 3: Cross multiply
116,848,318.68x = 161,236,629.60 × 67,304,805.84 - Step 4: Simplify right side
116,848,318.68x = 10,852,000,049,523,998 - Step 5: Solve for x
x = 10,852,000,049,523,998/116,848,318.68 - Step 6: Final answer
x = 92,872,539.14
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.