Finding the Fourth Proportional to 201,837,382.64, 278,656,582.44 and 132,343,992.08
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Solution
The fourth proportional to 201,837,382.64, 278,656,582.44 and 132,343,992.08 is: 182,714,044.63
Step by Step Solution
- Step 1: Write the proportion equation
201,837,382.64 : 278,656,582.44 = 132,343,992.08 : x - Step 2: Convert to fraction form
201,837,382.64/278,656,582.44 = 132,343,992.08/x - Step 3: Cross multiply
201,837,382.64x = 278,656,582.44 × 132,343,992.08 - Step 4: Simplify right side
201,837,382.64x = 36,878,524,539,479,224 - Step 5: Solve for x
x = 36,878,524,539,479,224/201,837,382.64 - Step 6: Final answer
x = 182,714,044.63
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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.