Finding the Fourth Proportional to 227,451,812.40, 341,177,718.60 and 81,907,837.20
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Solution
The fourth proportional to 227,451,812.40, 341,177,718.60 and 81,907,837.20 is: 122,861,755.80
Step by Step Solution
- Step 1: Write the proportion equation
227,451,812.40 : 341,177,718.60 = 81,907,837.20 : x - Step 2: Convert to fraction form
227,451,812.40/341,177,718.60 = 81,907,837.20/x - Step 3: Cross multiply
227,451,812.40x = 341,177,718.60 × 81,907,837.20 - Step 4: Simplify right side
227,451,812.40x = 27,945,129,031,356,216 - Step 5: Solve for x
x = 27,945,129,031,356,216/227,451,812.40 - Step 6: Final answer
x = 122,861,755.80
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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.