Finding the Fourth Proportional to 265,745,115.30, 398,617,672.95 and 149,040,671.70
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Solution
The fourth proportional to 265,745,115.30, 398,617,672.95 and 149,040,671.70 is: 223,561,007.55
Step by Step Solution
- Step 1: Write the proportion equation
265,745,115.30 : 398,617,672.95 = 149,040,671.70 : x - Step 2: Convert to fraction form
265,745,115.30/398,617,672.95 = 149,040,671.70/x - Step 3: Cross multiply
265,745,115.30x = 398,617,672.95 × 149,040,671.70 - Step 4: Simplify right side
265,745,115.30x = 59,410,245,727,958,912 - Step 5: Solve for x
x = 59,410,245,727,958,912/265,745,115.30 - Step 6: Final answer
x = 223,561,007.55
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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.