Finding the Fourth Proportional to 122,531,324.24, 169,093,224.60 and 67,527,180.74
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Solution
The fourth proportional to 122,531,324.24, 169,093,224.60 and 67,527,180.74 is: 93,187,507.85
Step by Step Solution
- Step 1: Write the proportion equation
122,531,324.24 : 169,093,224.60 = 67,527,180.74 : x - Step 2: Convert to fraction form
122,531,324.24/169,093,224.60 = 67,527,180.74/x - Step 3: Cross multiply
122,531,324.24x = 169,093,224.60 × 67,527,180.74 - Step 4: Simplify right side
122,531,324.24x = 11,418,388,739,473,612 - Step 5: Solve for x
x = 11,418,388,739,473,612/122,531,324.24 - Step 6: Final answer
x = 93,187,507.85
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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.