Finding the Fourth Proportional to 245,065,540.88, 338,190,499.68 and 133,556,408.12
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Solution
The fourth proportional to 245,065,540.88, 338,190,499.68 and 133,556,408.12 is: 184,307,872.23
Step by Step Solution
- Step 1: Write the proportion equation
245,065,540.88 : 338,190,499.68 = 133,556,408.12 : x - Step 2: Convert to fraction form
245,065,540.88/338,190,499.68 = 133,556,408.12/x - Step 3: Cross multiply
245,065,540.88x = 338,190,499.68 × 133,556,408.12 - Step 4: Simplify right side
245,065,540.88x = 45,167,508,397,568,808 - Step 5: Solve for x
x = 45,167,508,397,568,808/245,065,540.88 - Step 6: Final answer
x = 184,307,872.23
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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.