Finding the Fourth Proportional to 82,840,476.75, 124,278,652.17 and 31,722,497.39
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Solution
The fourth proportional to 82,840,476.75, 124,278,652.17 and 31,722,497.39 is: 47,590,614.80
Step by Step Solution
- Step 1: Write the proportion equation
82,840,476.75 : 124,278,652.17 = 31,722,497.39 : x - Step 2: Convert to fraction form
82,840,476.75/124,278,652.17 = 31,722,497.39/x - Step 3: Cross multiply
82,840,476.75x = 124,278,652.17 × 31,722,497.39 - Step 4: Simplify right side
82,840,476.75x = 3,942,429,218,474,150 - Step 5: Solve for x
x = 3,942,429,218,474,150/82,840,476.75 - Step 6: Final answer
x = 47,590,614.80
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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.