Finding the Fourth Proportional to 88,923,747.75, 122,714,771.90 and 48,225,891.75
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Solution
The fourth proportional to 88,923,747.75, 122,714,771.90 and 48,225,891.75 is: 66,551,730.62
Step by Step Solution
- Step 1: Write the proportion equation
88,923,747.75 : 122,714,771.90 = 48,225,891.75 : x - Step 2: Convert to fraction form
88,923,747.75/122,714,771.90 = 48,225,891.75/x - Step 3: Cross multiply
88,923,747.75x = 122,714,771.90 × 48,225,891.75 - Step 4: Simplify right side
88,923,747.75x = 5,918,029,305,534,212 - Step 5: Solve for x
x = 5,918,029,305,534,212/88,923,747.75 - Step 6: Final answer
x = 66,551,730.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.