Finding the Fourth Proportional to 203,910,512.20, 305,865,768.30 and 183,503,177.80
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Solution
The fourth proportional to 203,910,512.20, 305,865,768.30 and 183,503,177.80 is: 275,254,766.70
Step by Step Solution
- Step 1: Write the proportion equation
203,910,512.20 : 305,865,768.30 = 183,503,177.80 : x - Step 2: Convert to fraction form
203,910,512.20/305,865,768.30 = 183,503,177.80/x - Step 3: Cross multiply
203,910,512.20x = 305,865,768.30 × 183,503,177.80 - Step 4: Simplify right side
203,910,512.20x = 56,127,340,463,288,512 - Step 5: Solve for x
x = 56,127,340,463,288,512/203,910,512.20 - Step 6: Final answer
x = 275,254,766.70
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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.