Finding the Fourth Proportional to 50,368,989.20, 75,534,821.40 and 16,291,446.80
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Solution
The fourth proportional to 50,368,989.20, 75,534,821.40 and 16,291,446.80 is: 24,431,134.00
Step by Step Solution
- Step 1: Write the proportion equation
50,368,989.20 : 75,534,821.40 = 16,291,446.80 : x - Step 2: Convert to fraction form
50,368,989.20/75,534,821.40 = 16,291,446.80/x - Step 3: Cross multiply
50,368,989.20x = 75,534,821.40 × 16,291,446.80 - Step 4: Simplify right side
50,368,989.20x = 1,230,571,524,385,601.75 - Step 5: Solve for x
x = 1,230,571,524,385,601.75/50,368,989.20 - Step 6: Final answer
x = 24,431,134.00
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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.