Finding the Fourth Proportional to 203,755,850.38, 281,357,842.17 and 197,167,054.29
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Solution
The fourth proportional to 203,755,850.38, 281,357,842.17 and 197,167,054.29 is: 272,259,652.12
Step by Step Solution
- Step 1: Write the proportion equation
203,755,850.38 : 281,357,842.17 = 197,167,054.29 : x - Step 2: Convert to fraction form
203,755,850.38/281,357,842.17 = 197,167,054.29/x - Step 3: Cross multiply
203,755,850.38x = 281,357,842.17 × 197,167,054.29 - Step 4: Simplify right side
203,755,850.38x = 55,474,496,941,695,304 - Step 5: Solve for x
x = 55,474,496,941,695,304/203,755,850.38 - Step 6: Final answer
x = 272,259,652.12
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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.