Finding the Fourth Proportional to 231,160,986.28, 346,747,790.94 and 67,394,785.12
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Solution
The fourth proportional to 231,160,986.28, 346,747,790.94 and 67,394,785.12 is: 101,094,017.80
Step by Step Solution
- Step 1: Write the proportion equation
231,160,986.28 : 346,747,790.94 = 67,394,785.12 : x - Step 2: Convert to fraction form
231,160,986.28/346,747,790.94 = 67,394,785.12/x - Step 3: Cross multiply
231,160,986.28x = 346,747,790.94 × 67,394,785.12 - Step 4: Simplify right side
231,160,986.28x = 23,368,992,861,235,984 - Step 5: Solve for x
x = 23,368,992,861,235,984/231,160,986.28 - Step 6: Final answer
x = 101,094,017.80
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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.