Finding the Fourth Proportional to 275,328,020.20, 412,992,030.30 and 192,914,861.80
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Solution
The fourth proportional to 275,328,020.20, 412,992,030.30 and 192,914,861.80 is: 289,372,292.70
Step by Step Solution
- Step 1: Write the proportion equation
275,328,020.20 : 412,992,030.30 = 192,914,861.80 : x - Step 2: Convert to fraction form
275,328,020.20/412,992,030.30 = 192,914,861.80/x - Step 3: Cross multiply
275,328,020.20x = 412,992,030.30 × 192,914,861.80 - Step 4: Simplify right side
275,328,020.20x = 79,672,300,449,825,920 - Step 5: Solve for x
x = 79,672,300,449,825,920/275,328,020.20 - Step 6: Final answer
x = 289,372,292.70
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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.