Finding the Fourth Proportional to 68,486,958.21, 94,511,979.57 and 37,546,463.19
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Solution
The fourth proportional to 68,486,958.21, 94,511,979.57 and 37,546,463.19 is: 51,814,106.72
Step by Step Solution
- Step 1: Write the proportion equation
68,486,958.21 : 94,511,979.57 = 37,546,463.19 : x - Step 2: Convert to fraction form
68,486,958.21/94,511,979.57 = 37,546,463.19/x - Step 3: Cross multiply
68,486,958.21x = 94,511,979.57 × 37,546,463.19 - Step 4: Simplify right side
68,486,958.21x = 3,548,590,561,939,036.50 - Step 5: Solve for x
x = 3,548,590,561,939,036.50/68,486,958.21 - Step 6: Final answer
x = 51,814,106.72
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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.