Finding the Fourth Proportional to 181,448,407.80, 272,172,611.70 and 60,279,859.80
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Solution
The fourth proportional to 181,448,407.80, 272,172,611.70 and 60,279,859.80 is: 90,419,789.70
Step by Step Solution
- Step 1: Write the proportion equation
181,448,407.80 : 272,172,611.70 = 60,279,859.80 : x - Step 2: Convert to fraction form
181,448,407.80/272,172,611.70 = 60,279,859.80/x - Step 3: Cross multiply
181,448,407.80x = 272,172,611.70 × 60,279,859.80 - Step 4: Simplify right side
181,448,407.80x = 16,406,526,874,675,838 - Step 5: Solve for x
x = 16,406,526,874,675,838/181,448,407.80 - Step 6: Final answer
x = 90,419,789.70
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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.