Finding the Fourth Proportional to 82,343,141.36, 113,633,171.16 and 47,060,357.84
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Solution
The fourth proportional to 82,343,141.36, 113,633,171.16 and 47,060,357.84 is: 64,943,085.84
Step by Step Solution
- Step 1: Write the proportion equation
82,343,141.36 : 113,633,171.16 = 47,060,357.84 : x - Step 2: Convert to fraction form
82,343,141.36/113,633,171.16 = 47,060,357.84/x - Step 3: Cross multiply
82,343,141.36x = 113,633,171.16 × 47,060,357.84 - Step 4: Simplify right side
82,343,141.36x = 5,347,617,697,283,568 - Step 5: Solve for x
x = 5,347,617,697,283,568/82,343,141.36 - Step 6: Final answer
x = 64,943,085.84
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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.