Finding the Fourth Proportional to 203,361,821.15, 280,639,493.98 and 110,542,328.96
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Solution
The fourth proportional to 203,361,821.15, 280,639,493.98 and 110,542,328.96 is: 152,548,512.23
Step by Step Solution
- Step 1: Write the proportion equation
203,361,821.15 : 280,639,493.98 = 110,542,328.96 : x - Step 2: Convert to fraction form
203,361,821.15/280,639,493.98 = 110,542,328.96/x - Step 3: Cross multiply
203,361,821.15x = 280,639,493.98 × 110,542,328.96 - Step 4: Simplify right side
203,361,821.15x = 31,022,543,261,025,548 - Step 5: Solve for x
x = 31,022,543,261,025,548/203,361,821.15 - Step 6: Final answer
x = 152,548,512.23
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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.