Finding the Fourth Proportional to 195,783,620.80, 293,675,431.20 and 163,933,124.80
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Solution
The fourth proportional to 195,783,620.80, 293,675,431.20 and 163,933,124.80 is: 245,899,687.20
Step by Step Solution
- Step 1: Write the proportion equation
195,783,620.80 : 293,675,431.20 = 163,933,124.80 : x - Step 2: Convert to fraction form
195,783,620.80/293,675,431.20 = 163,933,124.80/x - Step 3: Cross multiply
195,783,620.80x = 293,675,431.20 × 163,933,124.80 - Step 4: Simplify right side
195,783,620.80x = 48,143,131,113,603,416 - Step 5: Solve for x
x = 48,143,131,113,603,416/195,783,620.80 - Step 6: Final answer
x = 245,899,687.20
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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.