Finding the Fourth Proportional to 217,593,025.70, 300,285,745.18 and 118,477,617.08
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Solution
The fourth proportional to 217,593,025.70, 300,285,745.18 and 118,477,617.08 is: 163,503,124.31
Step by Step Solution
- Step 1: Write the proportion equation
217,593,025.70 : 300,285,745.18 = 118,477,617.08 : x - Step 2: Convert to fraction form
217,593,025.70/300,285,745.18 = 118,477,617.08/x - Step 3: Cross multiply
217,593,025.70x = 300,285,745.18 × 118,477,617.08 - Step 4: Simplify right side
217,593,025.70x = 35,577,139,530,220,876 - Step 5: Solve for x
x = 35,577,139,530,220,876/217,593,025.70 - Step 6: Final answer
x = 163,503,124.31
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1.5x scale
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.