Finding the Fourth Proportional to 69,392,791.53, 95,762,614.91 and 38,453,477.49
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Solution
The fourth proportional to 69,392,791.53, 95,762,614.91 and 38,453,477.49 is: 53,066,110.69
Step by Step Solution
- Step 1: Write the proportion equation
69,392,791.53 : 95,762,614.91 = 38,453,477.49 : x - Step 2: Convert to fraction form
69,392,791.53/95,762,614.91 = 38,453,477.49/x - Step 3: Cross multiply
69,392,791.53x = 95,762,614.91 × 38,453,477.49 - Step 4: Simplify right side
69,392,791.53x = 3,682,405,556,632,956 - Step 5: Solve for x
x = 3,682,405,556,632,956/69,392,791.53 - Step 6: Final answer
x = 53,066,110.69
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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.