Finding the Fourth Proportional to 203,361,823.77, 280,639,497.60 and 110,542,331.58
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Solution
The fourth proportional to 203,361,823.77, 280,639,497.60 and 110,542,331.58 is: 152,548,515.86
Step by Step Solution
- Step 1: Write the proportion equation
203,361,823.77 : 280,639,497.60 = 110,542,331.58 : x - Step 2: Convert to fraction form
203,361,823.77/280,639,497.60 = 110,542,331.58/x - Step 3: Cross multiply
203,361,823.77x = 280,639,497.60 × 110,542,331.58 - Step 4: Simplify right side
203,361,823.77x = 31,022,544,398,143,816 - Step 5: Solve for x
x = 31,022,544,398,143,816/203,361,823.77 - Step 6: Final answer
x = 152,548,515.86
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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.