Finding the Fourth Proportional to 194,237,843.80, 291,356,765.70 and 185,279,891.80
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Solution
The fourth proportional to 194,237,843.80, 291,356,765.70 and 185,279,891.80 is: 277,919,837.70
Step by Step Solution
- Step 1: Write the proportion equation
194,237,843.80 : 291,356,765.70 = 185,279,891.80 : x - Step 2: Convert to fraction form
194,237,843.80/291,356,765.70 = 185,279,891.80/x - Step 3: Cross multiply
194,237,843.80x = 291,356,765.70 × 185,279,891.80 - Step 4: Simplify right side
194,237,843.80x = 53,982,550,024,093,952 - Step 5: Solve for x
x = 53,982,550,024,093,952/194,237,843.80 - Step 6: Final answer
x = 277,919,837.70
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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.