Finding the Fourth Proportional to 190,440,911.53, 285,664,911.60 and 54,129,837.97
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Solution
The fourth proportional to 190,440,911.53, 285,664,911.60 and 54,129,837.97 is: 81,195,764.37
Step by Step Solution
- Step 1: Write the proportion equation
190,440,911.53 : 285,664,911.60 = 54,129,837.97 : x - Step 2: Convert to fraction form
190,440,911.53/285,664,911.60 = 54,129,837.97/x - Step 3: Cross multiply
190,440,911.53x = 285,664,911.60 × 54,129,837.97 - Step 4: Simplify right side
190,440,911.53x = 15,462,995,379,181,898 - Step 5: Solve for x
x = 15,462,995,379,181,898/190,440,911.53 - Step 6: Final answer
x = 81,195,764.37
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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.