Finding the Fourth Proportional to 162,413,233.80, 243,619,850.70 and 124,149,481.80
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Solution
The fourth proportional to 162,413,233.80, 243,619,850.70 and 124,149,481.80 is: 186,224,222.70
Step by Step Solution
- Step 1: Write the proportion equation
162,413,233.80 : 243,619,850.70 = 124,149,481.80 : x - Step 2: Convert to fraction form
162,413,233.80/243,619,850.70 = 124,149,481.80/x - Step 3: Cross multiply
162,413,233.80x = 243,619,850.70 × 124,149,481.80 - Step 4: Simplify right side
162,413,233.80x = 30,245,278,220,598,364 - Step 5: Solve for x
x = 30,245,278,220,598,364/162,413,233.80 - Step 6: Final answer
x = 186,224,222.70
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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.