Finding the Fourth Proportional to 213,889,211.13, 294,481,104.68 and 166,785,841.13
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Solution
The fourth proportional to 213,889,211.13, 294,481,104.68 and 166,785,841.13 is: 229,629,528.68
Step by Step Solution
- Step 1: Write the proportion equation
213,889,211.13 : 294,481,104.68 = 166,785,841.13 : x - Step 2: Convert to fraction form
213,889,211.13/294,481,104.68 = 166,785,841.13/x - Step 3: Cross multiply
213,889,211.13x = 294,481,104.68 × 166,785,841.13 - Step 4: Simplify right side
213,889,211.13x = 49,115,278,740,945,376 - Step 5: Solve for x
x = 49,115,278,740,945,376/213,889,211.13 - Step 6: Final answer
x = 229,629,528.68
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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.