Finding the Fourth Proportional to 82,978,777.80, 124,468,166.70 and 44,715,025.80
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Solution
The fourth proportional to 82,978,777.80, 124,468,166.70 and 44,715,025.80 is: 67,072,538.70
Step by Step Solution
- Step 1: Write the proportion equation
82,978,777.80 : 124,468,166.70 = 44,715,025.80 : x - Step 2: Convert to fraction form
82,978,777.80/124,468,166.70 = 44,715,025.80/x - Step 3: Cross multiply
82,978,777.80x = 124,468,166.70 × 44,715,025.80 - Step 4: Simplify right side
82,978,777.80x = 5,565,597,285,269,201 - Step 5: Solve for x
x = 5,565,597,285,269,201/82,978,777.80 - Step 6: Final answer
x = 67,072,538.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.