Finding the Fourth Proportional to 194,230,642.05, 291,345,963.08 and 133,008,638.85
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Solution
The fourth proportional to 194,230,642.05, 291,345,963.08 and 133,008,638.85 is: 199,512,958.28
Step by Step Solution
- Step 1: Write the proportion equation
194,230,642.05 : 291,345,963.08 = 133,008,638.85 : x - Step 2: Convert to fraction form
194,230,642.05/291,345,963.08 = 133,008,638.85/x - Step 3: Cross multiply
194,230,642.05x = 291,345,963.08 × 133,008,638.85 - Step 4: Simplify right side
194,230,642.05x = 38,751,529,983,048,104 - Step 5: Solve for x
x = 38,751,529,983,048,104/194,230,642.05 - Step 6: Final answer
x = 199,512,958.28
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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.