Finding the Fourth Proportional to 83,519,728.26, 115,259,846.03 and 48,236,877.92
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Solution
The fourth proportional to 83,519,728.26, 115,259,846.03 and 48,236,877.92 is: 66,568,405.31
Step by Step Solution
- Step 1: Write the proportion equation
83,519,728.26 : 115,259,846.03 = 48,236,877.92 : x - Step 2: Convert to fraction form
83,519,728.26/115,259,846.03 = 48,236,877.92/x - Step 3: Cross multiply
83,519,728.26x = 115,259,846.03 × 48,236,877.92 - Step 4: Simplify right side
83,519,728.26x = 5,559,775,122,027,107 - Step 5: Solve for x
x = 5,559,775,122,027,107/83,519,728.26 - Step 6: Final answer
x = 66,568,405.31
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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.