Finding the Fourth Proportional to 165,945,163.40, 248,917,745.10 and 149,505,921.80
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Solution
The fourth proportional to 165,945,163.40, 248,917,745.10 and 149,505,921.80 is: 224,258,882.70
Step by Step Solution
- Step 1: Write the proportion equation
165,945,163.40 : 248,917,745.10 = 149,505,921.80 : x - Step 2: Convert to fraction form
165,945,163.40/248,917,745.10 = 149,505,921.80/x - Step 3: Cross multiply
165,945,163.40x = 248,917,745.10 × 149,505,921.80 - Step 4: Simplify right side
165,945,163.40x = 37,214,676,933,552,936 - Step 5: Solve for x
x = 37,214,676,933,552,936/165,945,163.40 - Step 6: Final answer
x = 224,258,882.70
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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.