Finding the Fourth Proportional to 144,844,194.99, 199,890,245.40 and 82,976,490.96
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Solution
The fourth proportional to 144,844,194.99, 199,890,245.40 and 82,976,490.96 is: 114,510,568.69
Step by Step Solution
- Step 1: Write the proportion equation
144,844,194.99 : 199,890,245.40 = 82,976,490.96 : x - Step 2: Convert to fraction form
144,844,194.99/199,890,245.40 = 82,976,490.96/x - Step 3: Cross multiply
144,844,194.99x = 199,890,245.40 × 82,976,490.96 - Step 4: Simplify right side
144,844,194.99x = 16,586,191,140,425,280 - Step 5: Solve for x
x = 16,586,191,140,425,280/144,844,194.99 - Step 6: Final answer
x = 114,510,568.69
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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.