Finding the Fourth Proportional to 82,944,427.30, 124,416,640.95 and 76,897,809.70
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Solution
The fourth proportional to 82,944,427.30, 124,416,640.95 and 76,897,809.70 is: 115,346,714.55
Step by Step Solution
- Step 1: Write the proportion equation
82,944,427.30 : 124,416,640.95 = 76,897,809.70 : x - Step 2: Convert to fraction form
82,944,427.30/124,416,640.95 = 76,897,809.70/x - Step 3: Cross multiply
82,944,427.30x = 124,416,640.95 × 76,897,809.70 - Step 4: Simplify right side
82,944,427.30x = 9,567,367,179,286,328 - Step 5: Solve for x
x = 9,567,367,179,286,328/82,944,427.30 - Step 6: Final answer
x = 115,346,714.55
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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.