Finding the Fourth Proportional to 53,464,675.81, 80,206,067.51 and 18,440,279.87
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Solution
The fourth proportional to 53,464,675.81, 80,206,067.51 and 18,440,279.87 is: 27,663,542.51
Step by Step Solution
- Step 1: Write the proportion equation
53,464,675.81 : 80,206,067.51 = 18,440,279.87 : x - Step 2: Convert to fraction form
53,464,675.81/80,206,067.51 = 18,440,279.87/x - Step 3: Cross multiply
53,464,675.81x = 80,206,067.51 × 18,440,279.87 - Step 4: Simplify right side
53,464,675.81x = 1,479,022,332,156,514.25 - Step 5: Solve for x
x = 1,479,022,332,156,514.25/53,464,675.81 - Step 6: Final answer
x = 27,663,542.51
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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.