Finding the Fourth Proportional to 202,876,812.75, 279,970,001.60 and 115,958,550.99
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Solution
The fourth proportional to 202,876,812.75, 279,970,001.60 and 115,958,550.99 is: 160,022,800.37
Step by Step Solution
- Step 1: Write the proportion equation
202,876,812.75 : 279,970,001.60 = 115,958,550.99 : x - Step 2: Convert to fraction form
202,876,812.75/279,970,001.60 = 115,958,550.99/x - Step 3: Cross multiply
202,876,812.75x = 279,970,001.60 × 115,958,550.99 - Step 4: Simplify right side
202,876,812.75x = 32,464,915,705,624,192 - Step 5: Solve for x
x = 32,464,915,705,624,192/202,876,812.75 - Step 6: Final answer
x = 160,022,800.37
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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.