Finding the Fourth Proportional to 304,719,357.14, 420,515,183.58 and 165,491,115.56
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Solution
The fourth proportional to 304,719,357.14, 420,515,183.58 and 165,491,115.56 is: 228,379,081.31
Step by Step Solution
- Step 1: Write the proportion equation
304,719,357.14 : 420,515,183.58 = 165,491,115.56 : x - Step 2: Convert to fraction form
304,719,357.14/420,515,183.58 = 165,491,115.56/x - Step 3: Cross multiply
304,719,357.14x = 420,515,183.58 × 165,491,115.56 - Step 4: Simplify right side
304,719,357.14x = 69,591,526,840,572,392 - Step 5: Solve for x
x = 69,591,526,840,572,392/304,719,357.14 - Step 6: Final answer
x = 228,379,081.31
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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.