Finding the Fourth Proportional to 75,385,246.49, 113,084,382.90 and 20,797,832.08
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Solution
The fourth proportional to 75,385,246.49, 113,084,382.90 and 20,797,832.08 is: 31,198,545.01
Step by Step Solution
- Step 1: Write the proportion equation
75,385,246.49 : 113,084,382.90 = 20,797,832.08 : x - Step 2: Convert to fraction form
75,385,246.49/113,084,382.90 = 20,797,832.08/x - Step 3: Cross multiply
75,385,246.49x = 113,084,382.90 × 20,797,832.08 - Step 4: Simplify right side
75,385,246.49x = 2,351,910,005,859,201.50 - Step 5: Solve for x
x = 2,351,910,005,859,201.50/75,385,246.49 - Step 6: Final answer
x = 31,198,545.01
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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.