Finding the Fourth Proportional to 154,234,696.20, 231,343,895.97 and 50,590,248.99
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Solution
The fourth proportional to 154,234,696.20, 231,343,895.97 and 50,590,248.99 is: 75,882,700.77
Step by Step Solution
- Step 1: Write the proportion equation
154,234,696.20 : 231,343,895.97 = 50,590,248.99 : x - Step 2: Convert to fraction form
154,234,696.20/231,343,895.97 = 50,590,248.99/x - Step 3: Cross multiply
154,234,696.20x = 231,343,895.97 × 50,590,248.99 - Step 4: Simplify right side
154,234,696.20x = 11,703,745,299,438,958 - Step 5: Solve for x
x = 11,703,745,299,438,958/154,234,696.20 - Step 6: Final answer
x = 75,882,700.77
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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.