Finding the Fourth Proportional to 248,361,814.70, 342,723,861.34 and 136,846,414.99
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Solution
The fourth proportional to 248,361,814.70, 342,723,861.34 and 136,846,414.99 is: 188,839,543.68
Step by Step Solution
- Step 1: Write the proportion equation
248,361,814.70 : 342,723,861.34 = 136,846,414.99 : x - Step 2: Convert to fraction form
248,361,814.70/342,723,861.34 = 136,846,414.99/x - Step 3: Cross multiply
248,361,814.70x = 342,723,861.34 × 136,846,414.99 - Step 4: Simplify right side
248,361,814.70x = 46,900,531,755,908,856 - Step 5: Solve for x
x = 46,900,531,755,908,856/248,361,814.70 - Step 6: Final answer
x = 188,839,543.68
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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.