Finding the Fourth Proportional to 193,581,838.80, 290,372,758.20 and 149,743,861.20
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Solution
The fourth proportional to 193,581,838.80, 290,372,758.20 and 149,743,861.20 is: 224,615,791.80
Step by Step Solution
- Step 1: Write the proportion equation
193,581,838.80 : 290,372,758.20 = 149,743,861.20 : x - Step 2: Convert to fraction form
193,581,838.80/290,372,758.20 = 149,743,861.20/x - Step 3: Cross multiply
193,581,838.80x = 290,372,758.20 × 149,743,861.20 - Step 4: Simplify right side
193,581,838.80x = 43,481,538,000,161,960 - Step 5: Solve for x
x = 43,481,538,000,161,960/193,581,838.80 - Step 6: Final answer
x = 224,615,791.80
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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.