Finding the Fourth Proportional to 117,423,999.20, 176,135,998.80 and 36,634,469.60
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Solution
The fourth proportional to 117,423,999.20, 176,135,998.80 and 36,634,469.60 is: 54,951,704.40
Step by Step Solution
- Step 1: Write the proportion equation
117,423,999.20 : 176,135,998.80 = 36,634,469.60 : x - Step 2: Convert to fraction form
117,423,999.20/176,135,998.80 = 36,634,469.60/x - Step 3: Cross multiply
117,423,999.20x = 176,135,998.80 × 36,634,469.60 - Step 4: Simplify right side
117,423,999.20x = 6,452,648,893,504,237 - Step 5: Solve for x
x = 6,452,648,893,504,237/117,423,999.20 - Step 6: Final answer
x = 54,951,704.40
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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.