Finding the Fourth Proportional to 248,959,175.96, 343,593,789.49 and 141,694,578.11
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Solution
The fourth proportional to 248,959,175.96, 343,593,789.49 and 141,694,578.11 is: 195,555,664.32
Step by Step Solution
- Step 1: Write the proportion equation
248,959,175.96 : 343,593,789.49 = 141,694,578.11 : x - Step 2: Convert to fraction form
248,959,175.96/343,593,789.49 = 141,694,578.11/x - Step 3: Cross multiply
248,959,175.96x = 343,593,789.49 × 141,694,578.11 - Step 4: Simplify right side
248,959,175.96x = 48,685,377,043,001,712 - Step 5: Solve for x
x = 48,685,377,043,001,712/248,959,175.96 - Step 6: Final answer
x = 195,555,664.32
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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.