Finding the Fourth Proportional to 275,391,175.28, 380,049,149.18 and 149,948,236.24
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Solution
The fourth proportional to 275,391,175.28, 380,049,149.18 and 149,948,236.24 is: 206,933,644.65
Step by Step Solution
- Step 1: Write the proportion equation
275,391,175.28 : 380,049,149.18 = 149,948,236.24 : x - Step 2: Convert to fraction form
275,391,175.28/380,049,149.18 = 149,948,236.24/x - Step 3: Cross multiply
275,391,175.28x = 380,049,149.18 × 149,948,236.24 - Step 4: Simplify right side
275,391,175.28x = 56,987,699,604,053,648 - Step 5: Solve for x
x = 56,987,699,604,053,648/275,391,175.28 - Step 6: Final answer
x = 206,933,644.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.