Finding the Fourth Proportional to 198,087,745.14, 273,369,625.92 and 109,981,747.08
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Solution
The fourth proportional to 198,087,745.14, 273,369,625.92 and 109,981,747.08 is: 151,779,551.21
Step by Step Solution
- Step 1: Write the proportion equation
198,087,745.14 : 273,369,625.92 = 109,981,747.08 : x - Step 2: Convert to fraction form
198,087,745.14/273,369,625.92 = 109,981,747.08/x - Step 3: Cross multiply
198,087,745.14x = 273,369,625.92 × 109,981,747.08 - Step 4: Simplify right side
198,087,745.14x = 30,065,669,057,287,652 - Step 5: Solve for x
x = 30,065,669,057,287,652/198,087,745.14 - Step 6: Final answer
x = 151,779,551.21
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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.