Finding the Fourth Proportional to 94,233,872.20, 141,350,808.30 and 85,163,945.80
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Solution
The fourth proportional to 94,233,872.20, 141,350,808.30 and 85,163,945.80 is: 127,745,918.70
Step by Step Solution
- Step 1: Write the proportion equation
94,233,872.20 : 141,350,808.30 = 85,163,945.80 : x - Step 2: Convert to fraction form
94,233,872.20/141,350,808.30 = 85,163,945.80/x - Step 3: Cross multiply
94,233,872.20x = 141,350,808.30 × 85,163,945.80 - Step 4: Simplify right side
94,233,872.20x = 12,037,992,576,847,390 - Step 5: Solve for x
x = 12,037,992,576,847,390/94,233,872.20 - Step 6: Final answer
x = 127,745,918.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.