Finding the Fourth Proportional to 82,286,775.80, 123,430,163.70 and 82,286,775.80
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Solution
The fourth proportional to 82,286,775.80, 123,430,163.70 and 82,286,775.80 is: 123,430,163.70
Step by Step Solution
- Step 1: Write the proportion equation
82,286,775.80 : 123,430,163.70 = 82,286,775.80 : x - Step 2: Convert to fraction form
82,286,775.80/123,430,163.70 = 82,286,775.80/x - Step 3: Cross multiply
82,286,775.80x = 123,430,163.70 × 82,286,775.80 - Step 4: Simplify right side
82,286,775.80x = 10,156,670,207,339,198 - Step 5: Solve for x
x = 10,156,670,207,339,198/82,286,775.80 - Step 6: Final answer
x = 123,430,163.70
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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.