Finding the Fourth Proportional to 235,227,107.79, 324,613,575.24 and 129,388,575.55
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Solution
The fourth proportional to 235,227,107.79, 324,613,575.24 and 129,388,575.55 is: 178,556,325.83
Step by Step Solution
- Step 1: Write the proportion equation
235,227,107.79 : 324,613,575.24 = 129,388,575.55 : x - Step 2: Convert to fraction form
235,227,107.79/324,613,575.24 = 129,388,575.55/x - Step 3: Cross multiply
235,227,107.79x = 324,613,575.24 × 129,388,575.55 - Step 4: Simplify right side
235,227,107.79x = 42,001,288,103,441,784 - Step 5: Solve for x
x = 42,001,288,103,441,784/235,227,107.79 - Step 6: Final answer
x = 178,556,325.83
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1.5x scale
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.