Finding the Fourth Proportional to 48,879,218.40, 73,397,163.60 and 38,865,112.80
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Solution
The fourth proportional to 48,879,218.40, 73,397,163.60 and 38,865,112.80 is: 58,359,956.15
Step by Step Solution
- Step 1: Write the proportion equation
48,879,218.40 : 73,397,163.60 = 38,865,112.80 : x - Step 2: Convert to fraction form
48,879,218.40/73,397,163.60 = 38,865,112.80/x - Step 3: Cross multiply
48,879,218.40x = 73,397,163.60 × 38,865,112.80 - Step 4: Simplify right side
48,879,218.40x = 2,852,589,042,514,053.50 - Step 5: Solve for x
x = 2,852,589,042,514,053.50/48,879,218.40 - Step 6: Final answer
x = 58,359,956.15
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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.