Finding the Fourth Proportional to 146,782,272.20, 220,173,408.30 and 44,546,145.80
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Solution
The fourth proportional to 146,782,272.20, 220,173,408.30 and 44,546,145.80 is: 66,819,218.70
Step by Step Solution
- Step 1: Write the proportion equation
146,782,272.20 : 220,173,408.30 = 44,546,145.80 : x - Step 2: Convert to fraction form
146,782,272.20/220,173,408.30 = 44,546,145.80/x - Step 3: Cross multiply
146,782,272.20x = 220,173,408.30 × 44,546,145.80 - Step 4: Simplify right side
146,782,272.20x = 9,807,876,747,414,730 - Step 5: Solve for x
x = 9,807,876,747,414,730/146,782,272.20 - Step 6: Final answer
x = 66,819,218.70
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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.