Finding the Fourth Proportional to 66,801,622.20, 100,202,433.30 and 44,108,143.80
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Solution
The fourth proportional to 66,801,622.20, 100,202,433.30 and 44,108,143.80 is: 66,162,215.70
Step by Step Solution
- Step 1: Write the proportion equation
66,801,622.20 : 100,202,433.30 = 44,108,143.80 : x - Step 2: Convert to fraction form
66,801,622.20/100,202,433.30 = 44,108,143.80/x - Step 3: Cross multiply
66,801,622.20x = 100,202,433.30 × 44,108,143.80 - Step 4: Simplify right side
66,801,622.20x = 4,419,743,337,106,308 - Step 5: Solve for x
x = 4,419,743,337,106,308/66,801,622.20 - Step 6: Final answer
x = 66,162,215.70
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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.