Finding the Fourth Proportional to 145,668,757.20, 201,023,101.08 and 82,944,906.28
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Solution
The fourth proportional to 145,668,757.20, 201,023,101.08 and 82,944,906.28 is: 114,464,093.74
Step by Step Solution
- Step 1: Write the proportion equation
145,668,757.20 : 201,023,101.08 = 82,944,906.28 : x - Step 2: Convert to fraction form
145,668,757.20/201,023,101.08 = 82,944,906.28/x - Step 3: Cross multiply
145,668,757.20x = 201,023,101.08 × 82,944,906.28 - Step 4: Simplify right side
145,668,757.20x = 16,673,842,279,195,568 - Step 5: Solve for x
x = 16,673,842,279,195,568/145,668,757.20 - Step 6: Final answer
x = 114,464,093.74
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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.