Finding the Fourth Proportional to 363,957,337.80, 545,936,006.70 and 159,883,993.80
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Solution
The fourth proportional to 363,957,337.80, 545,936,006.70 and 159,883,993.80 is: 239,825,990.70
Step by Step Solution
- Step 1: Write the proportion equation
363,957,337.80 : 545,936,006.70 = 159,883,993.80 : x - Step 2: Convert to fraction form
363,957,337.80/545,936,006.70 = 159,883,993.80/x - Step 3: Cross multiply
363,957,337.80x = 545,936,006.70 × 159,883,993.80 - Step 4: Simplify right side
363,957,337.80x = 87,286,429,110,419,568 - Step 5: Solve for x
x = 87,286,429,110,419,568/363,957,337.80 - Step 6: Final answer
x = 239,825,990.70
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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.