Finding the Fourth Proportional to 106,956,145.80, 160,434,218.70 and 49,560,517.80
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Solution
The fourth proportional to 106,956,145.80, 160,434,218.70 and 49,560,517.80 is: 74,340,776.70
Step by Step Solution
- Step 1: Write the proportion equation
106,956,145.80 : 160,434,218.70 = 49,560,517.80 : x - Step 2: Convert to fraction form
106,956,145.80/160,434,218.70 = 49,560,517.80/x - Step 3: Cross multiply
106,956,145.80x = 160,434,218.70 × 49,560,517.80 - Step 4: Simplify right side
106,956,145.80x = 7,951,202,951,610,442 - Step 5: Solve for x
x = 7,951,202,951,610,442/106,956,145.80 - Step 6: Final answer
x = 74,340,776.70
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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.