Finding the Fourth Proportional to 231,204,169.18, 347,102,206.20 and 198,623,182.37
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Solution
The fourth proportional to 231,204,169.18, 347,102,206.20 and 198,623,182.37 is: 298,189,020.77
Step by Step Solution
- Step 1: Write the proportion equation
231,204,169.18 : 347,102,206.20 = 198,623,182.37 : x - Step 2: Convert to fraction form
231,204,169.18/347,102,206.20 = 198,623,182.37/x - Step 3: Cross multiply
231,204,169.18x = 347,102,206.20 × 198,623,182.37 - Step 4: Simplify right side
231,204,169.18x = 68,942,544,803,959,696 - Step 5: Solve for x
x = 68,942,544,803,959,696/231,204,169.18 - Step 6: Final answer
x = 298,189,020.77
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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.