Finding the Fourth Proportional to 170,016,611.70, 255,024,917.55 and 101,992,163.70
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Solution
The fourth proportional to 170,016,611.70, 255,024,917.55 and 101,992,163.70 is: 152,988,245.55
Step by Step Solution
- Step 1: Write the proportion equation
170,016,611.70 : 255,024,917.55 = 101,992,163.70 : x - Step 2: Convert to fraction form
170,016,611.70/255,024,917.55 = 101,992,163.70/x - Step 3: Cross multiply
170,016,611.70x = 255,024,917.55 × 101,992,163.70 - Step 4: Simplify right side
170,016,611.70x = 26,010,543,138,338,604 - Step 5: Solve for x
x = 26,010,543,138,338,604/170,016,611.70 - Step 6: Final answer
x = 152,988,245.55
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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.