Finding the Fourth Proportional to 194,151,152.70, 291,226,729.05 and 92,114,480.70
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Solution
The fourth proportional to 194,151,152.70, 291,226,729.05 and 92,114,480.70 is: 138,171,721.05
Step by Step Solution
- Step 1: Write the proportion equation
194,151,152.70 : 291,226,729.05 = 92,114,480.70 : x - Step 2: Convert to fraction form
194,151,152.70/291,226,729.05 = 92,114,480.70/x - Step 3: Cross multiply
194,151,152.70x = 291,226,729.05 × 92,114,480.70 - Step 4: Simplify right side
194,151,152.70x = 26,826,198,912,400,356 - Step 5: Solve for x
x = 26,826,198,912,400,356/194,151,152.70 - Step 6: Final answer
x = 138,171,721.05
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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.