Finding the Fourth Proportional to 34,165,133.01, 47,105,115.84 and 28,515,336.98
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Solution
The fourth proportional to 34,165,133.01, 47,105,115.84 and 28,515,336.98 is: 39,315,469.69
Step by Step Solution
- Step 1: Write the proportion equation
34,165,133.01 : 47,105,115.84 = 28,515,336.98 : x - Step 2: Convert to fraction form
34,165,133.01/47,105,115.84 = 28,515,336.98/x - Step 3: Cross multiply
34,165,133.01x = 47,105,115.84 × 28,515,336.98 - Step 4: Simplify right side
34,165,133.01x = 1,343,218,251,424,010.25 - Step 5: Solve for x
x = 1,343,218,251,424,010.25/34,165,133.01 - Step 6: Final answer
x = 39,315,469.69
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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.