Finding the Fourth Proportional to 218,571,706.94, 327,764,236.46 and 126,518,984.37
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Solution
The fourth proportional to 218,571,706.94, 327,764,236.46 and 126,518,984.37 is: 189,724,456.52
Step by Step Solution
- Step 1: Write the proportion equation
218,571,706.94 : 327,764,236.46 = 126,518,984.37 : x - Step 2: Convert to fraction form
218,571,706.94/327,764,236.46 = 126,518,984.37/x - Step 3: Cross multiply
218,571,706.94x = 327,764,236.46 × 126,518,984.37 - Step 4: Simplify right side
218,571,706.94x = 41,468,398,309,095,128 - Step 5: Solve for x
x = 41,468,398,309,095,128/218,571,706.94 - Step 6: Final answer
x = 189,724,456.52
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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.