Finding the Fourth Proportional to 111,728,914.13, 167,484,678.91 and 53,421,439.97
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Solution
The fourth proportional to 111,728,914.13, 167,484,678.91 and 53,421,439.97 is: 80,080,190.43
Step by Step Solution
- Step 1: Write the proportion equation
111,728,914.13 : 167,484,678.91 = 53,421,439.97 : x - Step 2: Convert to fraction form
111,728,914.13/167,484,678.91 = 53,421,439.97/x - Step 3: Cross multiply
111,728,914.13x = 167,484,678.91 × 53,421,439.97 - Step 4: Simplify right side
111,728,914.13x = 8,947,272,720,570,447 - Step 5: Solve for x
x = 8,947,272,720,570,447/111,728,914.13 - Step 6: Final answer
x = 80,080,190.43
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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.