Finding the Fourth Proportional to 176,253,350.77, 243,224,786.84 and 97,934,890.60
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Solution
The fourth proportional to 176,253,350.77, 243,224,786.84 and 97,934,890.60 is: 135,147,461.23
Step by Step Solution
- Step 1: Write the proportion equation
176,253,350.77 : 243,224,786.84 = 97,934,890.60 : x - Step 2: Convert to fraction form
176,253,350.77/243,224,786.84 = 97,934,890.60/x - Step 3: Cross multiply
176,253,350.77x = 243,224,786.84 × 97,934,890.60 - Step 4: Simplify right side
176,253,350.77x = 23,820,192,890,383,720 - Step 5: Solve for x
x = 23,820,192,890,383,720/176,253,350.77 - Step 6: Final answer
x = 135,147,461.23
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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.