Finding the Fourth Proportional to 68,379,755.28, 94,364,043.84 and 37,439,915.28
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Solution
The fourth proportional to 68,379,755.28, 94,364,043.84 and 37,439,915.28 is: 51,667,072.99
Step by Step Solution
- Step 1: Write the proportion equation
68,379,755.28 : 94,364,043.84 = 37,439,915.28 : x - Step 2: Convert to fraction form
68,379,755.28/94,364,043.84 = 37,439,915.28/x - Step 3: Cross multiply
68,379,755.28x = 94,364,043.84 × 37,439,915.28 - Step 4: Simplify right side
68,379,755.28x = 3,532,981,806,847,806 - Step 5: Solve for x
x = 3,532,981,806,847,806/68,379,755.28 - Step 6: Final answer
x = 51,667,072.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.