Finding the Fourth Proportional to 104,331,743.40, 156,497,615.10 and 27,662,521.80
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Solution
The fourth proportional to 104,331,743.40, 156,497,615.10 and 27,662,521.80 is: 41,493,782.70
Step by Step Solution
- Step 1: Write the proportion equation
104,331,743.40 : 156,497,615.10 = 27,662,521.80 : x - Step 2: Convert to fraction form
104,331,743.40/156,497,615.10 = 27,662,521.80/x - Step 3: Cross multiply
104,331,743.40x = 156,497,615.10 × 27,662,521.80 - Step 4: Simplify right side
104,331,743.40x = 4,329,118,689,351,759 - Step 5: Solve for x
x = 4,329,118,689,351,759/104,331,743.40 - Step 6: Final answer
x = 41,493,782.70
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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.