Finding the Fourth Proportional to 82,877,386, 114,378,874.05 and 61,933,049.95
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Solution
The fourth proportional to 82,877,386, 114,378,874.05 and 61,933,049.95 is: 85,473,648.02
Step by Step Solution
- Step 1: Write the proportion equation
82,877,386 : 114,378,874.05 = 61,933,049.95 : x - Step 2: Convert to fraction form
82,877,386/114,378,874.05 = 61,933,049.95/x - Step 3: Cross multiply
82,877,386x = 114,378,874.05 × 61,933,049.95 - Step 4: Simplify right side
82,877,386x = 7,083,832,519,763,409 - Step 5: Solve for x
x = 7,083,832,519,763,409/82,877,386 - Step 6: Final answer
x = 85,473,648.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.