Finding the Fourth Proportional to 57,714,843.80, 79,651,758.98 and 31,613,119.09
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Solution
The fourth proportional to 57,714,843.80, 79,651,758.98 and 31,613,119.09 is: 43,628,993.45
Step by Step Solution
- Step 1: Write the proportion equation
57,714,843.80 : 79,651,758.98 = 31,613,119.09 : x - Step 2: Convert to fraction form
57,714,843.80/79,651,758.98 = 31,613,119.09/x - Step 3: Cross multiply
57,714,843.80x = 79,651,758.98 × 31,613,119.09 - Step 4: Simplify right side
57,714,843.80x = 2,518,040,542,242,620.50 - Step 5: Solve for x
x = 2,518,040,542,242,620.50/57,714,843.80 - Step 6: Final answer
x = 43,628,993.45
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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.