Finding the Fourth Proportional to 76,960,201.93, 115,624,467.55 and 49,348,217.55
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Solution
The fourth proportional to 76,960,201.93, 115,624,467.55 and 49,348,217.55 is: 74,140,415.90
Step by Step Solution
- Step 1: Write the proportion equation
76,960,201.93 : 115,624,467.55 = 49,348,217.55 : x - Step 2: Convert to fraction form
76,960,201.93/115,624,467.55 = 49,348,217.55/x - Step 3: Cross multiply
76,960,201.93x = 115,624,467.55 × 49,348,217.55 - Step 4: Simplify right side
76,960,201.93x = 5,705,861,378,978,255 - Step 5: Solve for x
x = 5,705,861,378,978,255/76,960,201.93 - Step 6: Final answer
x = 74,140,415.90
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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.