Finding the Fourth Proportional to 194,942,822.80, 292,414,234.20 and 164,331,821.20
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Solution
The fourth proportional to 194,942,822.80, 292,414,234.20 and 164,331,821.20 is: 246,497,731.80
Step by Step Solution
- Step 1: Write the proportion equation
194,942,822.80 : 292,414,234.20 = 164,331,821.20 : x - Step 2: Convert to fraction form
194,942,822.80/292,414,234.20 = 164,331,821.20/x - Step 3: Cross multiply
194,942,822.80x = 292,414,234.20 × 164,331,821.20 - Step 4: Simplify right side
194,942,822.80x = 48,052,963,650,889,320 - Step 5: Solve for x
x = 48,052,963,650,889,320/194,942,822.80 - Step 6: Final answer
x = 246,497,731.80
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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.