Finding the Fourth Proportional to 88,465,915.56, 122,083,529.76 and 49,310,174.55
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Solution
The fourth proportional to 88,465,915.56, 122,083,529.76 and 49,310,174.55 is: 68,048,356.52
Step by Step Solution
- Step 1: Write the proportion equation
88,465,915.56 : 122,083,529.76 = 49,310,174.55 : x - Step 2: Convert to fraction form
88,465,915.56/122,083,529.76 = 49,310,174.55/x - Step 3: Cross multiply
88,465,915.56x = 122,083,529.76 × 49,310,174.55 - Step 4: Simplify right side
88,465,915.56x = 6,019,960,162,145,720 - Step 5: Solve for x
x = 6,019,960,162,145,720/88,465,915.56 - Step 6: Final answer
x = 68,048,356.52
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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.