Finding the Fourth Proportional to 336,992,537.80, 505,544,793.90 and 132,527,283.40
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Solution
The fourth proportional to 336,992,537.80, 505,544,793.90 and 132,527,283.40 is: 198,812,942.89
Step by Step Solution
- Step 1: Write the proportion equation
336,992,537.80 : 505,544,793.90 = 132,527,283.40 : x - Step 2: Convert to fraction form
336,992,537.80/505,544,793.90 = 132,527,283.40/x - Step 3: Cross multiply
336,992,537.80x = 505,544,793.90 × 132,527,283.40 - Step 4: Simplify right side
336,992,537.80x = 66,998,478,172,579,888 - Step 5: Solve for x
x = 66,998,478,172,579,888/336,992,537.80 - Step 6: Final answer
x = 198,812,942.89
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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.