Finding the Fourth Proportional to 45,588,743.70, 68,383,115.55 and 13,676,039.70
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Solution
The fourth proportional to 45,588,743.70, 68,383,115.55 and 13,676,039.70 is: 20,514,059.55
Step by Step Solution
- Step 1: Write the proportion equation
45,588,743.70 : 68,383,115.55 = 13,676,039.70 : x - Step 2: Convert to fraction form
45,588,743.70/68,383,115.55 = 13,676,039.70/x - Step 3: Cross multiply
45,588,743.70x = 68,383,115.55 × 13,676,039.70 - Step 4: Simplify right side
45,588,743.70x = 935,210,203,071,487.25 - Step 5: Solve for x
x = 935,210,203,071,487.25/45,588,743.70 - Step 6: Final answer
x = 20,514,059.55
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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.