Finding the Fourth Proportional to 66,489,634.70, 99,734,452.05 and 44,934,562.70
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Solution
The fourth proportional to 66,489,634.70, 99,734,452.05 and 44,934,562.70 is: 67,401,844.05
Step by Step Solution
- Step 1: Write the proportion equation
66,489,634.70 : 99,734,452.05 = 44,934,562.70 : x - Step 2: Convert to fraction form
66,489,634.70/99,734,452.05 = 44,934,562.70/x - Step 3: Cross multiply
66,489,634.70x = 99,734,452.05 × 44,934,562.70 - Step 4: Simplify right side
66,489,634.70x = 4,481,523,988,990,868.50 - Step 5: Solve for x
x = 4,481,523,988,990,868.50/66,489,634.70 - Step 6: Final answer
x = 67,401,844.05
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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.