Finding the Fourth Proportional to 82,637,836.77, 124,034,417.27 and 43,274,343.99
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Solution
The fourth proportional to 82,637,836.77, 124,034,417.27 and 43,274,343.99 is: 64,952,184.73
Step by Step Solution
- Step 1: Write the proportion equation
82,637,836.77 : 124,034,417.27 = 43,274,343.99 : x - Step 2: Convert to fraction form
82,637,836.77/124,034,417.27 = 43,274,343.99/x - Step 3: Cross multiply
82,637,836.77x = 124,034,417.27 × 43,274,343.99 - Step 4: Simplify right side
82,637,836.77x = 5,367,508,039,324,805 - Step 5: Solve for x
x = 5,367,508,039,324,805/82,637,836.77 - Step 6: Final answer
x = 64,952,184.73
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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.