Finding the Fourth Proportional to 66,203,882.79, 91,374,007.24 and 43,837,419.07
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Solution
The fourth proportional to 66,203,882.79, 91,374,007.24 and 43,837,419.07 is: 60,504,013.94
Step by Step Solution
- Step 1: Write the proportion equation
66,203,882.79 : 91,374,007.24 = 43,837,419.07 : x - Step 2: Convert to fraction form
66,203,882.79/91,374,007.24 = 43,837,419.07/x - Step 3: Cross multiply
66,203,882.79x = 91,374,007.24 × 43,837,419.07 - Step 4: Simplify right side
66,203,882.79x = 4,005,600,647,485,094 - Step 5: Solve for x
x = 4,005,600,647,485,094/66,203,882.79 - Step 6: Final answer
x = 60,504,013.94
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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.