Finding the Fourth Proportional to 90,452,325.42, 135,661,181.67 and 35,120,161.62
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Solution
The fourth proportional to 90,452,325.42, 135,661,181.67 and 35,120,161.62 is: 52,673,522.81
Step by Step Solution
- Step 1: Write the proportion equation
90,452,325.42 : 135,661,181.67 = 35,120,161.62 : x - Step 2: Convert to fraction form
90,452,325.42/135,661,181.67 = 35,120,161.62/x - Step 3: Cross multiply
90,452,325.42x = 135,661,181.67 × 35,120,161.62 - Step 4: Simplify right side
90,452,325.42x = 4,764,442,625,810,581 - Step 5: Solve for x
x = 4,764,442,625,810,581/90,452,325.42 - Step 6: Final answer
x = 52,673,522.81
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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.