Finding the Fourth Proportional to 159,860,812.62, 220,613,269.23 and 97,969,198.62
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Solution
The fourth proportional to 159,860,812.62, 220,613,269.23 and 97,969,198.62 is: 135,200,771.45
Step by Step Solution
- Step 1: Write the proportion equation
159,860,812.62 : 220,613,269.23 = 97,969,198.62 : x - Step 2: Convert to fraction form
159,860,812.62/220,613,269.23 = 97,969,198.62/x - Step 3: Cross multiply
159,860,812.62x = 220,613,269.23 × 97,969,198.62 - Step 4: Simplify right side
159,860,812.62x = 21,613,305,191,401,404 - Step 5: Solve for x
x = 21,613,305,191,401,404/159,860,812.62 - Step 6: Final answer
x = 135,200,771.45
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1.5x scale
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.