Finding the Fourth Proportional to 330,274,705.20, 495,412,057.80 and 136,086,163.80
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Solution
The fourth proportional to 330,274,705.20, 495,412,057.80 and 136,086,163.80 is: 204,129,245.70
Step by Step Solution
- Step 1: Write the proportion equation
330,274,705.20 : 495,412,057.80 = 136,086,163.80 : x - Step 2: Convert to fraction form
330,274,705.20/495,412,057.80 = 136,086,163.80/x - Step 3: Cross multiply
330,274,705.20x = 495,412,057.80 × 136,086,163.80 - Step 4: Simplify right side
330,274,705.20x = 67,418,726,446,265,872 - Step 5: Solve for x
x = 67,418,726,446,265,872/330,274,705.20 - Step 6: Final answer
x = 204,129,245.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.