Finding the Fourth Proportional to 203,361,803.55, 280,639,469.74 and 110,542,311.39
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Solution
The fourth proportional to 203,361,803.55, 280,639,469.74 and 110,542,311.39 is: 152,548,488.02
Step by Step Solution
- Step 1: Write the proportion equation
203,361,803.55 : 280,639,469.74 = 110,542,311.39 : x - Step 2: Convert to fraction form
203,361,803.55/280,639,469.74 = 110,542,311.39/x - Step 3: Cross multiply
203,361,803.55x = 280,639,469.74 × 110,542,311.39 - Step 4: Simplify right side
203,361,803.55x = 31,022,535,652,994,584 - Step 5: Solve for x
x = 31,022,535,652,994,584/203,361,803.55 - Step 6: Final answer
x = 152,548,488.02
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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.