Finding the Fourth Proportional to 168,324,910.70, 235,080,918.70 and 168,324,910.70
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Solution
The fourth proportional to 168,324,910.70, 235,080,918.70 and 168,324,910.70 is: 235,080,918.70
Step by Step Solution
- Step 1: Write the proportion equation
168,324,910.70 : 235,080,918.70 = 168,324,910.70 : x - Step 2: Convert to fraction form
168,324,910.70/235,080,918.70 = 168,324,910.70/x - Step 3: Cross multiply
168,324,910.70x = 235,080,918.70 × 168,324,910.70 - Step 4: Simplify right side
168,324,910.70x = 39,569,974,647,451,456 - Step 5: Solve for x
x = 39,569,974,647,451,456/168,324,910.70 - Step 6: Final answer
x = 235,080,918.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.