Finding the Fourth Proportional to 45,429,791.49, 68,161,861.44 and 17,783,467.09
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Solution
The fourth proportional to 45,429,791.49, 68,161,861.44 and 17,783,467.09 is: 26,681,923.46
Step by Step Solution
- Step 1: Write the proportion equation
45,429,791.49 : 68,161,861.44 = 17,783,467.09 : x - Step 2: Convert to fraction form
45,429,791.49/68,161,861.44 = 17,783,467.09/x - Step 3: Cross multiply
45,429,791.49x = 68,161,861.44 × 17,783,467.09 - Step 4: Simplify right side
45,429,791.49x = 1,212,154,219,540,975.25 - Step 5: Solve for x
x = 1,212,154,219,540,975.25/45,429,791.49 - Step 6: Final answer
x = 26,681,923.46
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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.