Finding the Fourth Proportional to 173,770,850.70, 260,656,276.05 and 91,858,077.90
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Solution
The fourth proportional to 173,770,850.70, 260,656,276.05 and 91,858,077.90 is: 137,787,116.85
Step by Step Solution
- Step 1: Write the proportion equation
173,770,850.70 : 260,656,276.05 = 91,858,077.90 : x - Step 2: Convert to fraction form
173,770,850.70/260,656,276.05 = 91,858,077.90/x - Step 3: Cross multiply
173,770,850.70x = 260,656,276.05 × 91,858,077.90 - Step 4: Simplify right side
173,770,850.70x = 23,943,384,510,524,808 - Step 5: Solve for x
x = 23,943,384,510,524,808/173,770,850.70 - Step 6: Final answer
x = 137,787,116.85
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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.