Finding the Fourth Proportional to 48,812,476.80, 73,247,745.60 and 18,523,401.60
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Solution
The fourth proportional to 48,812,476.80, 73,247,745.60 and 18,523,401.60 is: 27,796,118.88
Step by Step Solution
- Step 1: Write the proportion equation
48,812,476.80 : 73,247,745.60 = 18,523,401.60 : x - Step 2: Convert to fraction form
48,812,476.80/73,247,745.60 = 18,523,401.60/x - Step 3: Cross multiply
48,812,476.80x = 73,247,745.60 × 18,523,401.60 - Step 4: Simplify right side
48,812,476.80x = 1,356,797,408,043,433 - Step 5: Solve for x
x = 1,356,797,408,043,433/48,812,476.80 - Step 6: Final answer
x = 27,796,118.88
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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.