Finding the Fourth Proportional to 86,403,523.37, 129,673,380.13 and 37,914,846.53
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Solution
The fourth proportional to 86,403,523.37, 129,673,380.13 and 37,914,846.53 is: 56,902,150.68
Step by Step Solution
- Step 1: Write the proportion equation
86,403,523.37 : 129,673,380.13 = 37,914,846.53 : x - Step 2: Convert to fraction form
86,403,523.37/129,673,380.13 = 37,914,846.53/x - Step 3: Cross multiply
86,403,523.37x = 129,673,380.13 × 37,914,846.53 - Step 4: Simplify right side
86,403,523.37x = 4,916,546,305,912,147 - Step 5: Solve for x
x = 4,916,546,305,912,147/86,403,523.37 - Step 6: Final answer
x = 56,902,150.68
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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.