Finding the Fourth Proportional to 129,060,977.80, 193,591,466.70 and 33,322,865.80
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Solution
The fourth proportional to 129,060,977.80, 193,591,466.70 and 33,322,865.80 is: 49,984,298.70
Step by Step Solution
- Step 1: Write the proportion equation
129,060,977.80 : 193,591,466.70 = 33,322,865.80 : x - Step 2: Convert to fraction form
129,060,977.80/193,591,466.70 = 33,322,865.80/x - Step 3: Cross multiply
129,060,977.80x = 193,591,466.70 × 33,322,865.80 - Step 4: Simplify right side
129,060,977.80x = 6,451,022,464,869,269 - Step 5: Solve for x
x = 6,451,022,464,869,269/129,060,977.80 - Step 6: Final answer
x = 49,984,298.70
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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.