Finding the Fourth Proportional to 165,149,197.38, 227,906,715.42 and 90,814,551.84
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Solution
The fourth proportional to 165,149,197.38, 227,906,715.42 and 90,814,551.84 is: 125,324,534.12
Step by Step Solution
- Step 1: Write the proportion equation
165,149,197.38 : 227,906,715.42 = 90,814,551.84 : x - Step 2: Convert to fraction form
165,149,197.38/227,906,715.42 = 90,814,551.84/x - Step 3: Cross multiply
165,149,197.38x = 227,906,715.42 × 90,814,551.84 - Step 4: Simplify right side
165,149,197.38x = 20,697,246,222,193,716 - Step 5: Solve for x
x = 20,697,246,222,193,716/165,149,197.38 - Step 6: Final answer
x = 125,324,534.12
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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.