Finding the Fourth Proportional to 73,514,278.12, 110,271,391.26 and 19,660,190.44
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Solution
The fourth proportional to 73,514,278.12, 110,271,391.26 and 19,660,190.44 is: 29,490,278.73
Step by Step Solution
- Step 1: Write the proportion equation
73,514,278.12 : 110,271,391.26 = 19,660,190.44 : x - Step 2: Convert to fraction form
73,514,278.12/110,271,391.26 = 19,660,190.44/x - Step 3: Cross multiply
73,514,278.12x = 110,271,391.26 × 19,660,190.44 - Step 4: Simplify right side
73,514,278.12x = 2,167,956,552,255,351.75 - Step 5: Solve for x
x = 2,167,956,552,255,351.75/73,514,278.12 - Step 6: Final answer
x = 29,490,278.73
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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.