Finding the Fourth Proportional to 193,138,916.88, 267,233,542.68 and 168,410,668.08
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Solution
The fourth proportional to 193,138,916.88, 267,233,542.68 and 168,410,668.08 is: 233,018,700.65
Step by Step Solution
- Step 1: Write the proportion equation
193,138,916.88 : 267,233,542.68 = 168,410,668.08 : x - Step 2: Convert to fraction form
193,138,916.88/267,233,542.68 = 168,410,668.08/x - Step 3: Cross multiply
193,138,916.88x = 267,233,542.68 × 168,410,668.08 - Step 4: Simplify right side
193,138,916.88x = 45,004,979,456,124,000 - Step 5: Solve for x
x = 45,004,979,456,124,000/193,138,916.88 - Step 6: Final answer
x = 233,018,700.65
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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.