Finding the Fourth Proportional to 226,643,480.40, 339,965,220.60 and 73,305,037.20
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Solution
The fourth proportional to 226,643,480.40, 339,965,220.60 and 73,305,037.20 is: 109,957,555.80
Step by Step Solution
- Step 1: Write the proportion equation
226,643,480.40 : 339,965,220.60 = 73,305,037.20 : x - Step 2: Convert to fraction form
226,643,480.40/339,965,220.60 = 73,305,037.20/x - Step 3: Cross multiply
226,643,480.40x = 339,965,220.60 × 73,305,037.20 - Step 4: Simplify right side
226,643,480.40x = 24,921,163,142,789,208 - Step 5: Solve for x
x = 24,921,163,142,789,208/226,643,480.40 - Step 6: Final answer
x = 109,957,555.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.