Finding the Fourth Proportional to 227,418,199.92, 313,837,107.84 and 122,996,268.72
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Solution
The fourth proportional to 227,418,199.92, 313,837,107.84 and 122,996,268.72 is: 169,734,846.48
Step by Step Solution
- Step 1: Write the proportion equation
227,418,199.92 : 313,837,107.84 = 122,996,268.72 : x - Step 2: Convert to fraction form
227,418,199.92/313,837,107.84 = 122,996,268.72/x - Step 3: Cross multiply
227,418,199.92x = 313,837,107.84 × 122,996,268.72 - Step 4: Simplify right side
227,418,199.92x = 38,600,793,250,196,256 - Step 5: Solve for x
x = 38,600,793,250,196,256/227,418,199.92 - Step 6: Final answer
x = 169,734,846.48
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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.