Finding the Fourth Proportional to 67,382,062.56, 92,987,246.40 and 36,442,231.68
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Solution
The fourth proportional to 67,382,062.56, 92,987,246.40 and 36,442,231.68 is: 50,290,279.75
Step by Step Solution
- Step 1: Write the proportion equation
67,382,062.56 : 92,987,246.40 = 36,442,231.68 : x - Step 2: Convert to fraction form
67,382,062.56/92,987,246.40 = 36,442,231.68/x - Step 3: Cross multiply
67,382,062.56x = 92,987,246.40 × 36,442,231.68 - Step 4: Simplify right side
67,382,062.56x = 3,388,662,776,594,046 - Step 5: Solve for x
x = 3,388,662,776,594,046/67,382,062.56 - Step 6: Final answer
x = 50,290,279.75
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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.