Finding the Fourth Proportional to 82,994,156,739.30, 124,491,235,108.95 and 20,955,860,163.30
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Solution
The fourth proportional to 82,994,156,739.30, 124,491,235,108.95 and 20,955,860,163.30 is: 31,433,790,244.95
Step by Step Solution
- Step 1: Write the proportion equation
82,994,156,739.30 : 124,491,235,108.95 = 20,955,860,163.30 : x - Step 2: Convert to fraction form
82,994,156,739.30/124,491,235,108.95 = 20,955,860,163.30/x - Step 3: Cross multiply
82,994,156,739.30x = 124,491,235,108.95 × 20,955,860,163.30 - Step 4: Simplify right side
82,994,156,739.30x = 2,608,820,914,499,659,235,328 - Step 5: Solve for x
x = 2,608,820,914,499,659,235,328/82,994,156,739.30 - Step 6: Final answer
x = 31,433,790,244.95
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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.