Finding the Fourth Proportional to 227,082,610.22, 313,373,953.64 and 122,660,682.62
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Solution
The fourth proportional to 227,082,610.22, 313,373,953.64 and 122,660,682.62 is: 169,271,715.84
Step by Step Solution
- Step 1: Write the proportion equation
227,082,610.22 : 313,373,953.64 = 122,660,682.62 : x - Step 2: Convert to fraction form
227,082,610.22/313,373,953.64 = 122,660,682.62/x - Step 3: Cross multiply
227,082,610.22x = 313,373,953.64 × 122,660,682.62 - Step 4: Simplify right side
227,082,610.22x = 38,438,663,067,550,408 - Step 5: Solve for x
x = 38,438,663,067,550,408/227,082,610.22 - Step 6: Final answer
x = 169,271,715.84
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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.