Finding the Fourth Proportional to 66,203,873.52, 91,373,993.97 and 43,837,409.64
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Solution
The fourth proportional to 66,203,873.52, 91,373,993.97 and 43,837,409.64 is: 60,504,000.61
Step by Step Solution
- Step 1: Write the proportion equation
66,203,873.52 : 91,373,993.97 = 43,837,409.64 : x - Step 2: Convert to fraction form
66,203,873.52/91,373,993.97 = 43,837,409.64/x - Step 3: Cross multiply
66,203,873.52x = 91,373,993.97 × 43,837,409.64 - Step 4: Simplify right side
66,203,873.52x = 4,005,599,204,140,008 - Step 5: Solve for x
x = 4,005,599,204,140,008/66,203,873.52 - Step 6: Final answer
x = 60,504,000.61
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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.