Finding the Fourth Proportional to 137,780,896.43, 190,137,553.24 and 75,901,234.99
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Solution
The fourth proportional to 137,780,896.43, 190,137,553.24 and 75,901,234.99 is: 104,743,658.10
Step by Step Solution
- Step 1: Write the proportion equation
137,780,896.43 : 190,137,553.24 = 75,901,234.99 : x - Step 2: Convert to fraction form
137,780,896.43/190,137,553.24 = 75,901,234.99/x - Step 3: Cross multiply
137,780,896.43x = 190,137,553.24 × 75,901,234.99 - Step 4: Simplify right side
137,780,896.43x = 14,431,675,107,942,188 - Step 5: Solve for x
x = 14,431,675,107,942,188/137,780,896.43 - Step 6: Final answer
x = 104,743,658.10
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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.