Finding the Fourth Proportional to 75,788,936.34, 113,639,887.53 and 29,676,815.70
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Solution
The fourth proportional to 75,788,936.34, 113,639,887.53 and 29,676,815.70 is: 44,498,183.52
Step by Step Solution
- Step 1: Write the proportion equation
75,788,936.34 : 113,639,887.53 = 29,676,815.70 : x - Step 2: Convert to fraction form
75,788,936.34/113,639,887.53 = 29,676,815.70/x - Step 3: Cross multiply
75,788,936.34x = 113,639,887.53 × 29,676,815.70 - Step 4: Simplify right side
75,788,936.34x = 3,372,469,998,396,538 - Step 5: Solve for x
x = 3,372,469,998,396,538/75,788,936.34 - Step 6: Final answer
x = 44,498,183.52
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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.