Finding the Fourth Proportional to 192,016,608.21, 264,982,911.17 and 103,910,608.62
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Solution
The fourth proportional to 192,016,608.21, 264,982,911.17 and 103,910,608.62 is: 143,396,635.48
Step by Step Solution
- Step 1: Write the proportion equation
192,016,608.21 : 264,982,911.17 = 103,910,608.62 : x - Step 2: Convert to fraction form
192,016,608.21/264,982,911.17 = 103,910,608.62/x - Step 3: Cross multiply
192,016,608.21x = 264,982,911.17 × 103,910,608.62 - Step 4: Simplify right side
192,016,608.21x = 27,534,535,573,054,544 - Step 5: Solve for x
x = 27,534,535,573,054,544/192,016,608.21 - Step 6: Final answer
x = 143,396,635.48
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1.5x scale
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.