Finding the Fourth Proportional to 48,143,619.23, 66,438,194.53 and 27,517,508.28
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Solution
The fourth proportional to 48,143,619.23, 66,438,194.53 and 27,517,508.28 is: 37,974,161.42
Step by Step Solution
- Step 1: Write the proportion equation
48,143,619.23 : 66,438,194.53 = 27,517,508.28 : x - Step 2: Convert to fraction form
48,143,619.23/66,438,194.53 = 27,517,508.28/x - Step 3: Cross multiply
48,143,619.23x = 66,438,194.53 × 27,517,508.28 - Step 4: Simplify right side
48,143,619.23x = 1,828,213,568,018,732 - Step 5: Solve for x
x = 1,828,213,568,018,732/48,143,619.23 - Step 6: Final answer
x = 37,974,161.42
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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.