Finding the Fourth Proportional to 235,539,976.96, 353,324,078.72 and 73,981,912.96
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Solution
The fourth proportional to 235,539,976.96, 353,324,078.72 and 73,981,912.96 is: 110,977,302.35
Step by Step Solution
- Step 1: Write the proportion equation
235,539,976.96 : 353,324,078.72 = 73,981,912.96 : x - Step 2: Convert to fraction form
235,539,976.96/353,324,078.72 = 73,981,912.96/x - Step 3: Cross multiply
235,539,976.96x = 353,324,078.72 × 73,981,912.96 - Step 4: Simplify right side
235,539,976.96x = 26,139,591,238,535,228 - Step 5: Solve for x
x = 26,139,591,238,535,228/235,539,976.96 - Step 6: Final answer
x = 110,977,302.35
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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.