Finding the Fourth Proportional to 178,206,452.42, 267,309,891.84 and 48,815,178.08
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Solution
The fourth proportional to 178,206,452.42, 267,309,891.84 and 48,815,178.08 is: 73,222,825.52
Step by Step Solution
- Step 1: Write the proportion equation
178,206,452.42 : 267,309,891.84 = 48,815,178.08 : x - Step 2: Convert to fraction form
178,206,452.42/267,309,891.84 = 48,815,178.08/x - Step 3: Cross multiply
178,206,452.42x = 267,309,891.84 × 48,815,178.08 - Step 4: Simplify right side
178,206,452.42x = 13,048,779,972,715,138 - Step 5: Solve for x
x = 13,048,779,972,715,138/178,206,452.42 - Step 6: Final answer
x = 73,222,825.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.