Finding the Fourth Proportional to 53,167,103.80, 79,719,162.90 and 27,657,935.80
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Solution
The fourth proportional to 53,167,103.80, 79,719,162.90 and 27,657,935.80 is: 41,470,520.90
Step by Step Solution
- Step 1: Write the proportion equation
53,167,103.80 : 79,719,162.90 = 27,657,935.80 : x - Step 2: Convert to fraction form
53,167,103.80/79,719,162.90 = 27,657,935.80/x - Step 3: Cross multiply
53,167,103.80x = 79,719,162.90 × 27,657,935.80 - Step 4: Simplify right side
53,167,103.80x = 2,204,867,489,517,942 - Step 5: Solve for x
x = 2,204,867,489,517,942/53,167,103.80 - Step 6: Final answer
x = 41,470,520.90
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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.