Finding the Fourth Proportional to 203,361,823.27, 280,639,496.91 and 110,542,331.08
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Solution
The fourth proportional to 203,361,823.27, 280,639,496.91 and 110,542,331.08 is: 152,548,515.17
Step by Step Solution
- Step 1: Write the proportion equation
203,361,823.27 : 280,639,496.91 = 110,542,331.08 : x - Step 2: Convert to fraction form
203,361,823.27/280,639,496.91 = 110,542,331.08/x - Step 3: Cross multiply
203,361,823.27x = 280,639,496.91 × 110,542,331.08 - Step 4: Simplify right side
203,361,823.27x = 31,022,544,181,549,860 - Step 5: Solve for x
x = 31,022,544,181,549,860/203,361,823.27 - Step 6: Final answer
x = 152,548,515.17
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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.