Finding the Fourth Proportional to 82,378,022.66, 113,674,156.97 and 48,881,728.68
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Solution
The fourth proportional to 82,378,022.66, 113,674,156.97 and 48,881,728.68 is: 67,452,326.72
Step by Step Solution
- Step 1: Write the proportion equation
82,378,022.66 : 113,674,156.97 = 48,881,728.68 : x - Step 2: Convert to fraction form
82,378,022.66/113,674,156.97 = 48,881,728.68/x - Step 3: Cross multiply
82,378,022.66x = 113,674,156.97 × 48,881,728.68 - Step 4: Simplify right side
82,378,022.66x = 5,556,589,298,690,862 - Step 5: Solve for x
x = 5,556,589,298,690,862/82,378,022.66 - Step 6: Final answer
x = 67,452,326.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.