Finding the Fourth Proportional to 123,183,133.84, 169,992,777.92 and 67,428,872.26
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Solution
The fourth proportional to 123,183,133.84, 169,992,777.92 and 67,428,872.26 is: 93,051,872.85
Step by Step Solution
- Step 1: Write the proportion equation
123,183,133.84 : 169,992,777.92 = 67,428,872.26 : x - Step 2: Convert to fraction form
123,183,133.84/169,992,777.92 = 67,428,872.26/x - Step 3: Cross multiply
123,183,133.84x = 169,992,777.92 × 67,428,872.26 - Step 4: Simplify right side
123,183,133.84x = 11,462,421,307,490,228 - Step 5: Solve for x
x = 11,462,421,307,490,228/123,183,133.84 - Step 6: Final answer
x = 93,051,872.85
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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.