Finding the Fourth Proportional to 212,691,404.80, 319,037,107.20 and 182,080,403.20
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Solution
The fourth proportional to 212,691,404.80, 319,037,107.20 and 182,080,403.20 is: 273,120,604.80
Step by Step Solution
- Step 1: Write the proportion equation
212,691,404.80 : 319,037,107.20 = 182,080,403.20 : x - Step 2: Convert to fraction form
212,691,404.80/319,037,107.20 = 182,080,403.20/x - Step 3: Cross multiply
212,691,404.80x = 319,037,107.20 × 182,080,403.20 - Step 4: Simplify right side
212,691,404.80x = 58,090,405,114,737,616 - Step 5: Solve for x
x = 58,090,405,114,737,616/212,691,404.80 - Step 6: Final answer
x = 273,120,604.80
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1.5x scale
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.