Finding the Fourth Proportional to 57,384,093.26, 79,190,835.56 and 31,278,554.97
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Solution
The fourth proportional to 57,384,093.26, 79,190,835.56 and 31,278,554.97 is: 43,164,834.75
Step by Step Solution
- Step 1: Write the proportion equation
57,384,093.26 : 79,190,835.56 = 31,278,554.97 : x - Step 2: Convert to fraction form
57,384,093.26/79,190,835.56 = 31,278,554.97/x - Step 3: Cross multiply
57,384,093.26x = 79,190,835.56 × 31,278,554.97 - Step 4: Simplify right side
57,384,093.26x = 2,476,974,903,102,706 - Step 5: Solve for x
x = 2,476,974,903,102,706/57,384,093.26 - Step 6: Final answer
x = 43,164,834.75
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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.