Finding the Fourth Proportional to 197,228,770.97, 272,109,608.69 and 113,595,226.47
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Solution
The fourth proportional to 197,228,770.97, 272,109,608.69 and 113,595,226.47 is: 156,723,344.53
Step by Step Solution
- Step 1: Write the proportion equation
197,228,770.97 : 272,109,608.69 = 113,595,226.47 : x - Step 2: Convert to fraction form
197,228,770.97/272,109,608.69 = 113,595,226.47/x - Step 3: Cross multiply
197,228,770.97x = 272,109,608.69 × 113,595,226.47 - Step 4: Simplify right side
197,228,770.97x = 30,910,352,623,235,652 - Step 5: Solve for x
x = 30,910,352,623,235,652/197,228,770.97 - Step 6: Final answer
x = 156,723,344.53
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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.