Finding the Fourth Proportional to 82,523,499.80, 123,785,249.70 and 44,259,747.80
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Solution
The fourth proportional to 82,523,499.80, 123,785,249.70 and 44,259,747.80 is: 66,389,621.70
Step by Step Solution
- Step 1: Write the proportion equation
82,523,499.80 : 123,785,249.70 = 44,259,747.80 : x - Step 2: Convert to fraction form
82,523,499.80/123,785,249.70 = 44,259,747.80/x - Step 3: Cross multiply
82,523,499.80x = 123,785,249.70 × 44,259,747.80 - Step 4: Simplify right side
82,523,499.80x = 5,478,703,933,082,025 - Step 5: Solve for x
x = 5,478,703,933,082,025/82,523,499.80 - Step 6: Final answer
x = 66,389,621.70
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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.