Finding the Fourth Proportional to 113,786,251.99, 157,025,027.67 and 61,575,287.56
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Solution
The fourth proportional to 113,786,251.99, 157,025,027.67 and 61,575,287.56 is: 84,973,896.79
Step by Step Solution
- Step 1: Write the proportion equation
113,786,251.99 : 157,025,027.67 = 61,575,287.56 : x - Step 2: Convert to fraction form
113,786,251.99/157,025,027.67 = 61,575,287.56/x - Step 3: Cross multiply
113,786,251.99x = 157,025,027.67 × 61,575,287.56 - Step 4: Simplify right side
113,786,251.99x = 9,668,861,232,897,206 - Step 5: Solve for x
x = 9,668,861,232,897,206/113,786,251.99 - Step 6: Final answer
x = 84,973,896.79
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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.