Finding the Fourth Proportional to 196,745,363.44, 271,532,539.92 and 114,239,147.92
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Solution
The fourth proportional to 196,745,363.44, 271,532,539.92 and 114,239,147.92 is: 157,663,923.82
Step by Step Solution
- Step 1: Write the proportion equation
196,745,363.44 : 271,532,539.92 = 114,239,147.92 : x - Step 2: Convert to fraction form
196,745,363.44/271,532,539.92 = 114,239,147.92/x - Step 3: Cross multiply
196,745,363.44x = 271,532,539.92 × 114,239,147.92 - Step 4: Simplify right side
196,745,363.44x = 31,019,645,993,014,188 - Step 5: Solve for x
x = 31,019,645,993,014,188/196,745,363.44 - Step 6: Final answer
x = 157,663,923.82
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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.