Finding the Fourth Proportional to 203,361,806.05, 280,639,473.19 and 110,542,313.90
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Solution
The fourth proportional to 203,361,806.05, 280,639,473.19 and 110,542,313.90 is: 152,548,491.48
Step by Step Solution
- Step 1: Write the proportion equation
203,361,806.05 : 280,639,473.19 = 110,542,313.90 : x - Step 2: Convert to fraction form
203,361,806.05/280,639,473.19 = 110,542,313.90/x - Step 3: Cross multiply
203,361,806.05x = 280,639,473.19 × 110,542,313.90 - Step 4: Simplify right side
203,361,806.05x = 31,022,536,738,099,616 - Step 5: Solve for x
x = 31,022,536,738,099,616/203,361,806.05 - Step 6: Final answer
x = 152,548,491.48
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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.