Finding the Fourth Proportional to 79,770,286.81, 110,091,459.06 and 46,758,272.14
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Solution
The fourth proportional to 79,770,286.81, 110,091,459.06 and 46,758,272.14 is: 64,531,376.39
Step by Step Solution
- Step 1: Write the proportion equation
79,770,286.81 : 110,091,459.06 = 46,758,272.14 : x - Step 2: Convert to fraction form
79,770,286.81/110,091,459.06 = 46,758,272.14/x - Step 3: Cross multiply
79,770,286.81x = 110,091,459.06 × 46,758,272.14 - Step 4: Simplify right side
79,770,286.81x = 5,147,686,402,741,920 - Step 5: Solve for x
x = 5,147,686,402,741,920/79,770,286.81 - Step 6: Final answer
x = 64,531,376.39
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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.