Finding the Fourth Proportional to 68,466,328.43, 94,485,818.21 and 37,526,576.99
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Solution
The fourth proportional to 68,466,328.43, 94,485,818.21 and 37,526,576.99 is: 51,787,928.64
Step by Step Solution
- Step 1: Write the proportion equation
68,466,328.43 : 94,485,818.21 = 37,526,576.99 : x - Step 2: Convert to fraction form
68,466,328.43/94,485,818.21 = 37,526,576.99/x - Step 3: Cross multiply
68,466,328.43x = 94,485,818.21 × 37,526,576.99 - Step 4: Simplify right side
68,466,328.43x = 3,545,729,330,860,647 - Step 5: Solve for x
x = 3,545,729,330,860,647/68,466,328.43 - Step 6: Final answer
x = 51,787,928.64
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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.