Finding the Fourth Proportional to 71,660,529.14, 107,473,077.59 and 30,715,324.65
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Solution
The fourth proportional to 71,660,529.14, 107,473,077.59 and 30,715,324.65 is: 46,065,393.45
Step by Step Solution
- Step 1: Write the proportion equation
71,660,529.14 : 107,473,077.59 = 30,715,324.65 : x - Step 2: Convert to fraction form
71,660,529.14/107,473,077.59 = 30,715,324.65/x - Step 3: Cross multiply
71,660,529.14x = 107,473,077.59 × 30,715,324.65 - Step 4: Simplify right side
71,660,529.14x = 3,301,070,469,157,912.50 - Step 5: Solve for x
x = 3,301,070,469,157,912.50/71,660,529.14 - Step 6: Final answer
x = 46,065,393.45
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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.