Finding the Fourth Proportional to 111,284,163.80, 166,926,245.70 and 53,888,535.80
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Solution
The fourth proportional to 111,284,163.80, 166,926,245.70 and 53,888,535.80 is: 80,832,803.70
Step by Step Solution
- Step 1: Write the proportion equation
111,284,163.80 : 166,926,245.70 = 53,888,535.80 : x - Step 2: Convert to fraction form
111,284,163.80/166,926,245.70 = 53,888,535.80/x - Step 3: Cross multiply
111,284,163.80x = 166,926,245.70 × 53,888,535.80 - Step 4: Simplify right side
111,284,163.80x = 8,995,410,967,364,045 - Step 5: Solve for x
x = 8,995,410,967,364,045/111,284,163.80 - Step 6: Final answer
x = 80,832,803.70
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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.