Finding the Fourth Proportional to 92,278,579.67, 138,431,631.14 and 33,981,774.29
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Solution
The fourth proportional to 92,278,579.67, 138,431,631.14 and 33,981,774.29 is: 50,977,729.19
Step by Step Solution
- Step 1: Write the proportion equation
92,278,579.67 : 138,431,631.14 = 33,981,774.29 : x - Step 2: Convert to fraction form
92,278,579.67/138,431,631.14 = 33,981,774.29/x - Step 3: Cross multiply
92,278,579.67x = 138,431,631.14 × 33,981,774.29 - Step 4: Simplify right side
92,278,579.67x = 4,704,152,443,996,015 - Step 5: Solve for x
x = 4,704,152,443,996,015/92,278,579.67 - Step 6: Final answer
x = 50,977,729.19
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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.