Finding the Fourth Proportional to 213,083,141.92, 319,639,147.08 and 74,891,948.24
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Solution
The fourth proportional to 213,083,141.92, 319,639,147.08 and 74,891,948.24 is: 112,342,995.52
Step by Step Solution
- Step 1: Write the proportion equation
213,083,141.92 : 319,639,147.08 = 74,891,948.24 : x - Step 2: Convert to fraction form
213,083,141.92/319,639,147.08 = 74,891,948.24/x - Step 3: Cross multiply
213,083,141.92x = 319,639,147.08 × 74,891,948.24 - Step 4: Simplify right side
213,083,141.92x = 23,938,398,458,593,104 - Step 5: Solve for x
x = 23,938,398,458,593,104/213,083,141.92 - Step 6: Final answer
x = 112,342,995.52
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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.