Finding the Fourth Proportional to 83,612,514.09, 115,387,097.16 and 45,936,163.56
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Solution
The fourth proportional to 83,612,514.09, 115,387,097.16 and 45,936,163.56 is: 63,392,909.85
Step by Step Solution
- Step 1: Write the proportion equation
83,612,514.09 : 115,387,097.16 = 45,936,163.56 : x - Step 2: Convert to fraction form
83,612,514.09/115,387,097.16 = 45,936,163.56/x - Step 3: Cross multiply
83,612,514.09x = 115,387,097.16 × 45,936,163.56 - Step 4: Simplify right side
83,612,514.09x = 5,300,440,567,855,372 - Step 5: Solve for x
x = 5,300,440,567,855,372/83,612,514.09 - Step 6: Final answer
x = 63,392,909.85
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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.