Finding the Fourth Proportional to 192,472,879.20, 288,709,318.80 and 115,945,375.20
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Solution
The fourth proportional to 192,472,879.20, 288,709,318.80 and 115,945,375.20 is: 173,918,062.80
Step by Step Solution
- Step 1: Write the proportion equation
192,472,879.20 : 288,709,318.80 = 115,945,375.20 : x - Step 2: Convert to fraction form
192,472,879.20/288,709,318.80 = 115,945,375.20/x - Step 3: Cross multiply
192,472,879.20x = 288,709,318.80 × 115,945,375.20 - Step 4: Simplify right side
192,472,879.20x = 33,474,510,292,002,416 - Step 5: Solve for x
x = 33,474,510,292,002,416/192,472,879.20 - Step 6: Final answer
x = 173,918,062.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.