Finding the Fourth Proportional to 82,848,446.76, 124,545,106.62 and 76,855,527.30
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Solution
The fourth proportional to 82,848,446.76, 124,545,106.62 and 76,855,527.30 is: 115,536,020.48
Step by Step Solution
- Step 1: Write the proportion equation
82,848,446.76 : 124,545,106.62 = 76,855,527.30 : x - Step 2: Convert to fraction form
82,848,446.76/124,545,106.62 = 76,855,527.30/x - Step 3: Cross multiply
82,848,446.76x = 124,545,106.62 × 76,855,527.30 - Step 4: Simplify right side
82,848,446.76x = 9,571,979,841,914,820 - Step 5: Solve for x
x = 9,571,979,841,914,820/82,848,446.76 - Step 6: Final answer
x = 115,536,020.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.