Finding the Fourth Proportional to 82,256,735.48, 122,649,706.17 and 79,996,782.62
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Solution
The fourth proportional to 82,256,735.48, 122,649,706.17 and 79,996,782.62 is: 119,279,981.46
Step by Step Solution
- Step 1: Write the proportion equation
82,256,735.48 : 122,649,706.17 = 79,996,782.62 : x - Step 2: Convert to fraction form
82,256,735.48/122,649,706.17 = 79,996,782.62/x - Step 3: Cross multiply
82,256,735.48x = 122,649,706.17 × 79,996,782.62 - Step 4: Simplify right side
82,256,735.48x = 9,811,581,882,888,364 - Step 5: Solve for x
x = 9,811,581,882,888,364/82,256,735.48 - Step 6: Final answer
x = 119,279,981.46
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.