Finding the Fourth Proportional to 196,276,350.36, 270,861,365.02 and 108,170,349.03
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Solution
The fourth proportional to 196,276,350.36, 270,861,365.02 and 108,170,349.03 is: 149,275,082.50
Step by Step Solution
- Step 1: Write the proportion equation
196,276,350.36 : 270,861,365.02 = 108,170,349.03 : x - Step 2: Convert to fraction form
196,276,350.36/270,861,365.02 = 108,170,349.03/x - Step 3: Cross multiply
196,276,350.36x = 270,861,365.02 × 108,170,349.03 - Step 4: Simplify right side
196,276,350.36x = 29,299,168,393,395,072 - Step 5: Solve for x
x = 29,299,168,393,395,072/196,276,350.36 - Step 6: Final answer
x = 149,275,082.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.