Finding the Fourth Proportional to 72,086,902.22, 108,135,397.12 and 35,685,518.88
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Solution
The fourth proportional to 72,086,902.22, 108,135,397.12 and 35,685,518.88 is: 53,530,775.17
Step by Step Solution
- Step 1: Write the proportion equation
72,086,902.22 : 108,135,397.12 = 35,685,518.88 : x - Step 2: Convert to fraction form
72,086,902.22/108,135,397.12 = 35,685,518.88/x - Step 3: Cross multiply
72,086,902.22x = 108,135,397.12 × 35,685,518.88 - Step 4: Simplify right side
72,086,902.22x = 3,858,867,755,522,058 - Step 5: Solve for x
x = 3,858,867,755,522,058/72,086,902.22 - Step 6: Final answer
x = 53,530,775.17
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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.