Finding the Fourth Proportional to 252,385,995.92, 379,244,789.82 and 135,887,485.70
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Solution
The fourth proportional to 252,385,995.92, 379,244,789.82 and 135,887,485.70 is: 204,189,700.65
Step by Step Solution
- Step 1: Write the proportion equation
252,385,995.92 : 379,244,789.82 = 135,887,485.70 : x - Step 2: Convert to fraction form
252,385,995.92/379,244,789.82 = 135,887,485.70/x - Step 3: Cross multiply
252,385,995.92x = 379,244,789.82 × 135,887,485.70 - Step 4: Simplify right side
252,385,995.92x = 51,534,620,954,412,864 - Step 5: Solve for x
x = 51,534,620,954,412,864/252,385,995.92 - Step 6: Final answer
x = 204,189,700.65
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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.