Finding the Fourth Proportional to 82,983,643.80, 124,475,465.70 and 44,719,891.80
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Solution
The fourth proportional to 82,983,643.80, 124,475,465.70 and 44,719,891.80 is: 67,079,837.70
Step by Step Solution
- Step 1: Write the proportion equation
82,983,643.80 : 124,475,465.70 = 44,719,891.80 : x - Step 2: Convert to fraction form
82,983,643.80/124,475,465.70 = 44,719,891.80/x - Step 3: Cross multiply
82,983,643.80x = 124,475,465.70 × 44,719,891.80 - Step 4: Simplify right side
82,983,643.80x = 5,566,529,357,858,611 - Step 5: Solve for x
x = 5,566,529,357,858,611/82,983,643.80 - Step 6: Final answer
x = 67,079,837.70
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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.