Finding the Fourth Proportional to 213,858,691.25, 320,824,252.04 and 73,761,107.49
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Solution
The fourth proportional to 213,858,691.25, 320,824,252.04 and 73,761,107.49 is: 110,654,152.06
Step by Step Solution
- Step 1: Write the proportion equation
213,858,691.25 : 320,824,252.04 = 73,761,107.49 : x - Step 2: Convert to fraction form
213,858,691.25/320,824,252.04 = 73,761,107.49/x - Step 3: Cross multiply
213,858,691.25x = 320,824,252.04 × 73,761,107.49 - Step 4: Simplify right side
213,858,691.25x = 23,664,352,139,752,488 - Step 5: Solve for x
x = 23,664,352,139,752,488/213,858,691.25 - Step 6: Final answer
x = 110,654,152.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.