Finding the Fourth Proportional to 108,166,538.62, 149,277,146.84 and 61,107,290.38
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Solution
The fourth proportional to 108,166,538.62, 149,277,146.84 and 61,107,290.38 is: 84,332,198.07
Step by Step Solution
- Step 1: Write the proportion equation
108,166,538.62 : 149,277,146.84 = 61,107,290.38 : x - Step 2: Convert to fraction form
108,166,538.62/149,277,146.84 = 61,107,290.38/x - Step 3: Cross multiply
108,166,538.62x = 149,277,146.84 × 61,107,290.38 - Step 4: Simplify right side
108,166,538.62x = 9,121,921,959,049,780 - Step 5: Solve for x
x = 9,121,921,959,049,780/108,166,538.62 - Step 6: Final answer
x = 84,332,198.07
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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.