Finding the Fourth Proportional to 76,801,896.99, 115,202,956.37 and 31,363,691.49
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Solution
The fourth proportional to 76,801,896.99, 115,202,956.37 and 31,363,691.49 is: 47,045,582.52
Step by Step Solution
- Step 1: Write the proportion equation
76,801,896.99 : 115,202,956.37 = 31,363,691.49 : x - Step 2: Convert to fraction form
76,801,896.99/115,202,956.37 = 31,363,691.49/x - Step 3: Cross multiply
76,801,896.99x = 115,202,956.37 × 31,363,691.49 - Step 4: Simplify right side
76,801,896.99x = 3,613,189,982,324,610.50 - Step 5: Solve for x
x = 3,613,189,982,324,610.50/76,801,896.99 - Step 6: Final answer
x = 47,045,582.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.