Finding the Fourth Proportional to 82,106,871.53, 113,307,782.99 and 44,430,035.81
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Solution
The fourth proportional to 82,106,871.53, 113,307,782.99 and 44,430,035.81 is: 61,313,611.90
Step by Step Solution
- Step 1: Write the proportion equation
82,106,871.53 : 113,307,782.99 = 44,430,035.81 : x - Step 2: Convert to fraction form
82,106,871.53/113,307,782.99 = 44,430,035.81/x - Step 3: Cross multiply
82,106,871.53x = 113,307,782.99 × 44,430,035.81 - Step 4: Simplify right side
82,106,871.53x = 5,034,268,855,008,720 - Step 5: Solve for x
x = 5,034,268,855,008,720/82,106,871.53 - Step 6: Final answer
x = 61,313,611.90
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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.