Finding the Fourth Proportional to 81,296,745.36, 121,969,073.12 and 32,749,617.36
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Solution
The fourth proportional to 81,296,745.36, 121,969,073.12 and 32,749,617.36 is: 49,134,076.12
Step by Step Solution
- Step 1: Write the proportion equation
81,296,745.36 : 121,969,073.12 = 32,749,617.36 : x - Step 2: Convert to fraction form
81,296,745.36/121,969,073.12 = 32,749,617.36/x - Step 3: Cross multiply
81,296,745.36x = 121,969,073.12 × 32,749,617.36 - Step 4: Simplify right side
81,296,745.36x = 3,994,440,474,433,861.50 - Step 5: Solve for x
x = 3,994,440,474,433,861.50/81,296,745.36 - Step 6: Final answer
x = 49,134,076.12
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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.