Finding the Fourth Proportional to 82,944,035.20, 124,416,052.80 and 62,788,643.20
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Solution
The fourth proportional to 82,944,035.20, 124,416,052.80 and 62,788,643.20 is: 94,182,964.80
Step by Step Solution
- Step 1: Write the proportion equation
82,944,035.20 : 124,416,052.80 = 62,788,643.20 : x - Step 2: Convert to fraction form
82,944,035.20/124,416,052.80 = 62,788,643.20/x - Step 3: Cross multiply
82,944,035.20x = 124,416,052.80 × 62,788,643.20 - Step 4: Simplify right side
82,944,035.20x = 7,811,915,147,611,561 - Step 5: Solve for x
x = 7,811,915,147,611,561/82,944,035.20 - Step 6: Final answer
x = 94,182,964.80
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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.