Finding the Fourth Proportional to 91,207,245.39, 125,866,120.01 and 49,391,382.79
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Solution
The fourth proportional to 91,207,245.39, 125,866,120.01 and 49,391,382.79 is: 68,160,173.98
Step by Step Solution
- Step 1: Write the proportion equation
91,207,245.39 : 125,866,120.01 = 49,391,382.79 : x - Step 2: Convert to fraction form
91,207,245.39/125,866,120.01 = 49,391,382.79/x - Step 3: Cross multiply
91,207,245.39x = 125,866,120.01 × 49,391,382.79 - Step 4: Simplify right side
91,207,245.39x = 6,216,701,713,633,180 - Step 5: Solve for x
x = 6,216,701,713,633,180/91,207,245.39 - Step 6: Final answer
x = 68,160,173.98
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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.