Finding the Fourth Proportional to 197,194,149, 272,135,938.24 and 109,086,627.62
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Solution
The fourth proportional to 197,194,149, 272,135,938.24 and 109,086,627.62 is: 150,543,978.65
Step by Step Solution
- Step 1: Write the proportion equation
197,194,149 : 272,135,938.24 = 109,086,627.62 : x - Step 2: Convert to fraction form
197,194,149/272,135,938.24 = 109,086,627.62/x - Step 3: Cross multiply
197,194,149x = 272,135,938.24 × 109,086,627.62 - Step 4: Simplify right side
197,194,149x = 29,686,391,757,622,896 - Step 5: Solve for x
x = 29,686,391,757,622,896/197,194,149 - Step 6: Final answer
x = 150,543,978.65
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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.