Finding the Fourth Proportional to 163,206,790.80, 244,810,186.20 and 126,218,497.20
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Solution
The fourth proportional to 163,206,790.80, 244,810,186.20 and 126,218,497.20 is: 189,327,745.80
Step by Step Solution
- Step 1: Write the proportion equation
163,206,790.80 : 244,810,186.20 = 126,218,497.20 : x - Step 2: Convert to fraction form
163,206,790.80/244,810,186.20 = 126,218,497.20/x - Step 3: Cross multiply
163,206,790.80x = 244,810,186.20 × 126,218,497.20 - Step 4: Simplify right side
163,206,790.80x = 30,899,573,801,416,176 - Step 5: Solve for x
x = 30,899,573,801,416,176/163,206,790.80 - Step 6: Final answer
x = 189,327,745.80
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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.