Finding the Fourth Proportional to 193,843,354.57, 267,505,536.53 and 105,737,744.09
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Solution
The fourth proportional to 193,843,354.57, 267,505,536.53 and 105,737,744.09 is: 145,919,018.09
Step by Step Solution
- Step 1: Write the proportion equation
193,843,354.57 : 267,505,536.53 = 105,737,744.09 : x - Step 2: Convert to fraction form
193,843,354.57/267,505,536.53 = 105,737,744.09/x - Step 3: Cross multiply
193,843,354.57x = 267,505,536.53 × 105,737,744.09 - Step 4: Simplify right side
193,843,354.57x = 28,285,431,962,401,068 - Step 5: Solve for x
x = 28,285,431,962,401,068/193,843,354.57 - Step 6: Final answer
x = 145,919,018.09
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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.