Finding the Fourth Proportional to 196,745,386.44, 271,532,571.66 and 114,239,170.92
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Solution
The fourth proportional to 196,745,386.44, 271,532,571.66 and 114,239,170.92 is: 157,663,955.56
Step by Step Solution
- Step 1: Write the proportion equation
196,745,386.44 : 271,532,571.66 = 114,239,170.92 : x - Step 2: Convert to fraction form
196,745,386.44/271,532,571.66 = 114,239,170.92/x - Step 3: Cross multiply
196,745,386.44x = 271,532,571.66 × 114,239,170.92 - Step 4: Simplify right side
196,745,386.44x = 31,019,655,864,213,892 - Step 5: Solve for x
x = 31,019,655,864,213,892/196,745,386.44 - Step 6: Final answer
x = 157,663,955.56
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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.