Finding the Fourth Proportional to 193,542,457.20, 289,915,554.60 and 97,858,258.80
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Solution
The fourth proportional to 193,542,457.20, 289,915,554.60 and 97,858,258.80 is: 146,586,086.50
Step by Step Solution
- Step 1: Write the proportion equation
193,542,457.20 : 289,915,554.60 = 97,858,258.80 : x - Step 2: Convert to fraction form
193,542,457.20/289,915,554.60 = 97,858,258.80/x - Step 3: Cross multiply
193,542,457.20x = 289,915,554.60 × 97,858,258.80 - Step 4: Simplify right side
193,542,457.20x = 28,370,631,372,192,332 - Step 5: Solve for x
x = 28,370,631,372,192,332/193,542,457.20 - Step 6: Final answer
x = 146,586,086.50
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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.