Finding the Fourth Proportional to 91,264,757.63, 125,951,544.79 and 51,558,517.01
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Solution
The fourth proportional to 91,264,757.63, 125,951,544.79 and 51,558,517.01 is: 71,154,244.34
Step by Step Solution
- Step 1: Write the proportion equation
91,264,757.63 : 125,951,544.79 = 51,558,517.01 : x - Step 2: Convert to fraction form
91,264,757.63/125,951,544.79 = 51,558,517.01/x - Step 3: Cross multiply
91,264,757.63x = 125,951,544.79 × 51,558,517.01 - Step 4: Simplify right side
91,264,757.63x = 6,493,874,863,603,442 - Step 5: Solve for x
x = 6,493,874,863,603,442/91,264,757.63 - Step 6: Final answer
x = 71,154,244.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.