Finding the Fourth Proportional to 194,198,536.80, 291,297,805.20 and 185,240,584.80
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Solution
The fourth proportional to 194,198,536.80, 291,297,805.20 and 185,240,584.80 is: 277,860,877.20
Step by Step Solution
- Step 1: Write the proportion equation
194,198,536.80 : 291,297,805.20 = 185,240,584.80 : x - Step 2: Convert to fraction form
194,198,536.80/291,297,805.20 = 185,240,584.80/x - Step 3: Cross multiply
194,198,536.80x = 291,297,805.20 × 185,240,584.80 - Step 4: Simplify right side
194,198,536.80x = 53,960,175,786,204,480 - Step 5: Solve for x
x = 53,960,175,786,204,480/194,198,536.80 - Step 6: Final answer
x = 277,860,877.20
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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.