Finding the Fourth Proportional to 82,944,081.20, 124,416,121.80 and 52,785,642.80
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Solution
The fourth proportional to 82,944,081.20, 124,416,121.80 and 52,785,642.80 is: 79,178,464.20
Step by Step Solution
- Step 1: Write the proportion equation
82,944,081.20 : 124,416,121.80 = 52,785,642.80 : x - Step 2: Convert to fraction form
82,944,081.20/124,416,121.80 = 52,785,642.80/x - Step 3: Cross multiply
82,944,081.20x = 124,416,121.80 × 52,785,642.80 - Step 4: Simplify right side
82,944,081.20x = 6,567,384,963,896,093 - Step 5: Solve for x
x = 6,567,384,963,896,093/82,944,081.20 - Step 6: Final answer
x = 79,178,464.20
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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.