Finding the Fourth Proportional to 177,147,228.70, 247,432,163.90 and 177,147,228.70
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Solution
The fourth proportional to 177,147,228.70, 247,432,163.90 and 177,147,228.70 is: 247,432,163.90
Step by Step Solution
- Step 1: Write the proportion equation
177,147,228.70 : 247,432,163.90 = 177,147,228.70 : x - Step 2: Convert to fraction form
177,147,228.70/247,432,163.90 = 177,147,228.70/x - Step 3: Cross multiply
177,147,228.70x = 247,432,163.90 × 177,147,228.70 - Step 4: Simplify right side
177,147,228.70x = 43,831,922,126,129,184 - Step 5: Solve for x
x = 43,831,922,126,129,184/177,147,228.70 - Step 6: Final answer
x = 247,432,163.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.