Finding the Fourth Proportional to 67,253,258.80, 100,667,311.80 and 48,121,382.80
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Solution
The fourth proportional to 67,253,258.80, 100,667,311.80 and 48,121,382.80 is: 72,029,970.49
Step by Step Solution
- Step 1: Write the proportion equation
67,253,258.80 : 100,667,311.80 = 48,121,382.80 : x - Step 2: Convert to fraction form
67,253,258.80/100,667,311.80 = 48,121,382.80/x - Step 3: Cross multiply
67,253,258.80x = 100,667,311.80 × 48,121,382.80 - Step 4: Simplify right side
67,253,258.80x = 4,844,250,246,574,757 - Step 5: Solve for x
x = 4,844,250,246,574,757/67,253,258.80 - Step 6: Final answer
x = 72,029,970.49
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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.