Finding the Fourth Proportional to 71,027,183.70, 106,540,775.55 and 32,763,431.70
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Solution
The fourth proportional to 71,027,183.70, 106,540,775.55 and 32,763,431.70 is: 49,145,147.55
Step by Step Solution
- Step 1: Write the proportion equation
71,027,183.70 : 106,540,775.55 = 32,763,431.70 : x - Step 2: Convert to fraction form
71,027,183.70/106,540,775.55 = 32,763,431.70/x - Step 3: Cross multiply
71,027,183.70x = 106,540,775.55 × 32,763,431.70 - Step 4: Simplify right side
71,027,183.70x = 3,490,641,422,997,455 - Step 5: Solve for x
x = 3,490,641,422,997,455/71,027,183.70 - Step 6: Final answer
x = 49,145,147.55
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1.5x scale
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.