Finding the Fourth Proportional to 273,380,660.79, 377,266,311.87 and 147,932,857.80
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Solution
The fourth proportional to 273,380,660.79, 377,266,311.87 and 147,932,857.80 is: 204,147,884.88
Step by Step Solution
- Step 1: Write the proportion equation
273,380,660.79 : 377,266,311.87 = 147,932,857.80 : x - Step 2: Convert to fraction form
273,380,660.79/377,266,311.87 = 147,932,857.80/x - Step 3: Cross multiply
273,380,660.79x = 377,266,311.87 × 147,932,857.80 - Step 4: Simplify right side
273,380,660.79x = 55,810,083,666,595,168 - Step 5: Solve for x
x = 55,810,083,666,595,168/273,380,660.79 - Step 6: Final answer
x = 204,147,884.88
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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.