Finding the Fourth Proportional to 221,761,791.12, 332,408,114.76 and 83,527,586.40
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Solution
The fourth proportional to 221,761,791.12, 332,408,114.76 and 83,527,586.40 is: 125,203,027.02
Step by Step Solution
- Step 1: Write the proportion equation
221,761,791.12 : 332,408,114.76 = 83,527,586.40 : x - Step 2: Convert to fraction form
221,761,791.12/332,408,114.76 = 83,527,586.40/x - Step 3: Cross multiply
221,761,791.12x = 332,408,114.76 × 83,527,586.40 - Step 4: Simplify right side
221,761,791.12x = 27,765,247,525,677,016 - Step 5: Solve for x
x = 27,765,247,525,677,016/221,761,791.12 - Step 6: Final answer
x = 125,203,027.02
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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.