Finding the Fourth Proportional to 378,082,163.10, 567,123,244.65 and 147,974,771.10
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Solution
The fourth proportional to 378,082,163.10, 567,123,244.65 and 147,974,771.10 is: 221,962,156.65
Step by Step Solution
- Step 1: Write the proportion equation
378,082,163.10 : 567,123,244.65 = 147,974,771.10 : x - Step 2: Convert to fraction form
378,082,163.10/567,123,244.65 = 147,974,771.10/x - Step 3: Cross multiply
378,082,163.10x = 567,123,244.65 × 147,974,771.10 - Step 4: Simplify right side
378,082,163.10x = 83,919,932,312,573,040 - Step 5: Solve for x
x = 83,919,932,312,573,040/378,082,163.10 - Step 6: Final answer
x = 221,962,156.65
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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.