Finding the Fourth Proportional to 75,629,114.70, 113,443,672.05 and 49,801,082.10
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Solution
The fourth proportional to 75,629,114.70, 113,443,672.05 and 49,801,082.10 is: 74,701,623.15
Step by Step Solution
- Step 1: Write the proportion equation
75,629,114.70 : 113,443,672.05 = 49,801,082.10 : x - Step 2: Convert to fraction form
75,629,114.70/113,443,672.05 = 49,801,082.10/x - Step 3: Cross multiply
75,629,114.70x = 113,443,672.05 × 49,801,082.10 - Step 4: Simplify right side
75,629,114.70x = 5,649,617,625,487,525 - Step 5: Solve for x
x = 5,649,617,625,487,525/75,629,114.70 - Step 6: Final answer
x = 74,701,623.15
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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.