Finding the Fourth Proportional to 75,727,057.75, 104,503,335.23 and 40,919,747.06
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Solution
The fourth proportional to 75,727,057.75, 104,503,335.23 and 40,919,747.06 is: 56,469,248.54
Step by Step Solution
- Step 1: Write the proportion equation
75,727,057.75 : 104,503,335.23 = 40,919,747.06 : x - Step 2: Convert to fraction form
75,727,057.75/104,503,335.23 = 40,919,747.06/x - Step 3: Cross multiply
75,727,057.75x = 104,503,335.23 × 40,919,747.06 - Step 4: Simplify right side
75,727,057.75x = 4,276,250,044,901,544.50 - Step 5: Solve for x
x = 4,276,250,044,901,544.50/75,727,057.75 - Step 6: Final answer
x = 56,469,248.54
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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.