Finding the Fourth Proportional to 173,393,872.80, 260,148,626.74 and 115,330,455.99
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Solution
The fourth proportional to 173,393,872.80, 260,148,626.74 and 115,330,455.99 is: 173,034,140.50
Step by Step Solution
- Step 1: Write the proportion equation
173,393,872.80 : 260,148,626.74 = 115,330,455.99 : x - Step 2: Convert to fraction form
173,393,872.80/260,148,626.74 = 115,330,455.99/x - Step 3: Cross multiply
173,393,872.80x = 260,148,626.74 × 115,330,455.99 - Step 4: Simplify right side
173,393,872.80x = 30,003,059,747,239,516 - Step 5: Solve for x
x = 30,003,059,747,239,516/173,393,872.80 - Step 6: Final answer
x = 173,034,140.50
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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.