Finding the Fourth Proportional to 86,481,236.80, 119,344,104.96 and 47,323,012.08
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Solution
The fourth proportional to 86,481,236.80, 119,344,104.96 and 47,323,012.08 is: 65,305,755.67
Step by Step Solution
- Step 1: Write the proportion equation
86,481,236.80 : 119,344,104.96 = 47,323,012.08 : x - Step 2: Convert to fraction form
86,481,236.80/119,344,104.96 = 47,323,012.08/x - Step 3: Cross multiply
86,481,236.80x = 119,344,104.96 × 47,323,012.08 - Step 4: Simplify right side
86,481,236.80x = 5,647,722,520,698,867 - Step 5: Solve for x
x = 5,647,722,520,698,867/86,481,236.80 - Step 6: Final answer
x = 65,305,755.67
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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.