Finding the Fourth Proportional to 178,413,861.53, 267,633,690.81 and 74,678,737.31
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Solution
The fourth proportional to 178,413,861.53, 267,633,690.81 and 74,678,737.31 is: 112,023,504.90
Step by Step Solution
- Step 1: Write the proportion equation
178,413,861.53 : 267,633,690.81 = 74,678,737.31 : x - Step 2: Convert to fraction form
178,413,861.53/267,633,690.81 = 74,678,737.31/x - Step 3: Cross multiply
178,413,861.53x = 267,633,690.81 × 74,678,737.31 - Step 4: Simplify right side
178,413,861.53x = 19,986,546,091,305,752 - Step 5: Solve for x
x = 19,986,546,091,305,752/178,413,861.53 - Step 6: Final answer
x = 112,023,504.90
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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.