Finding the Fourth Proportional to 117,651,165.12, 176,481,495.36 and 40,981,947.84
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Solution
The fourth proportional to 117,651,165.12, 176,481,495.36 and 40,981,947.84 is: 61,474,575.54
Step by Step Solution
- Step 1: Write the proportion equation
117,651,165.12 : 176,481,495.36 = 40,981,947.84 : x - Step 2: Convert to fraction form
117,651,165.12/176,481,495.36 = 40,981,947.84/x - Step 3: Cross multiply
117,651,165.12x = 176,481,495.36 × 40,981,947.84 - Step 4: Simplify right side
117,651,165.12x = 7,232,555,437,568,723 - Step 5: Solve for x
x = 7,232,555,437,568,723/117,651,165.12 - Step 6: Final answer
x = 61,474,575.54
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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.