Finding the Fourth Proportional to 36,442,170.68, 50,290,793.25 and 21,759,120.05
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Solution
The fourth proportional to 36,442,170.68, 50,290,793.25 and 21,759,120.05 is: 30,027,942.56
Step by Step Solution
- Step 1: Write the proportion equation
36,442,170.68 : 50,290,793.25 = 21,759,120.05 : x - Step 2: Convert to fraction form
36,442,170.68/50,290,793.25 = 21,759,120.05/x - Step 3: Cross multiply
36,442,170.68x = 50,290,793.25 × 21,759,120.05 - Step 4: Simplify right side
36,442,170.68x = 1,094,283,407,862,206.62 - Step 5: Solve for x
x = 1,094,283,407,862,206.62/36,442,170.68 - Step 6: Final answer
x = 30,027,942.56
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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.