Finding the Fourth Proportional to 192,691,450.80, 265,914,493.38 and 104,585,480.10
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Solution
The fourth proportional to 192,691,450.80, 265,914,493.38 and 104,585,480.10 is: 144,328,120.63
Step by Step Solution
- Step 1: Write the proportion equation
192,691,450.80 : 265,914,493.38 = 104,585,480.10 : x - Step 2: Convert to fraction form
192,691,450.80/265,914,493.38 = 104,585,480.10/x - Step 3: Cross multiply
192,691,450.80x = 265,914,493.38 × 104,585,480.10 - Step 4: Simplify right side
192,691,450.80x = 27,810,794,955,695,568 - Step 5: Solve for x
x = 27,810,794,955,695,568/192,691,450.80 - Step 6: Final answer
x = 144,328,120.63
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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.