Finding the Fourth Proportional to 203,910,514.20, 305,865,771.30 and 183,503,179.80
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Solution
The fourth proportional to 203,910,514.20, 305,865,771.30 and 183,503,179.80 is: 275,254,769.70
Step by Step Solution
- Step 1: Write the proportion equation
203,910,514.20 : 305,865,771.30 = 183,503,179.80 : x - Step 2: Convert to fraction form
203,910,514.20/305,865,771.30 = 183,503,179.80/x - Step 3: Cross multiply
203,910,514.20x = 305,865,771.30 × 183,503,179.80 - Step 4: Simplify right side
203,910,514.20x = 56,127,341,625,529,584 - Step 5: Solve for x
x = 56,127,341,625,529,584/203,910,514.20 - Step 6: Final answer
x = 275,254,769.70
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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.