Finding the Fourth Proportional to 146,738,606.70, 220,107,910.05 and 144,471,125.10
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Solution
The fourth proportional to 146,738,606.70, 220,107,910.05 and 144,471,125.10 is: 216,706,687.65
Step by Step Solution
- Step 1: Write the proportion equation
146,738,606.70 : 220,107,910.05 = 144,471,125.10 : x - Step 2: Convert to fraction form
146,738,606.70/220,107,910.05 = 144,471,125.10/x - Step 3: Cross multiply
146,738,606.70x = 220,107,910.05 × 144,471,125.10 - Step 4: Simplify right side
146,738,606.70x = 31,799,237,408,333,096 - Step 5: Solve for x
x = 31,799,237,408,333,096/146,738,606.70 - Step 6: Final answer
x = 216,706,687.65
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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.