Finding the Fourth Proportional to 198,515,276.80, 297,782,246.40 and 62,205,107.20
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Solution
The fourth proportional to 198,515,276.80, 297,782,246.40 and 62,205,107.20 is: 93,310,584.75
Step by Step Solution
- Step 1: Write the proportion equation
198,515,276.80 : 297,782,246.40 = 62,205,107.20 : x - Step 2: Convert to fraction form
198,515,276.80/297,782,246.40 = 62,205,107.20/x - Step 3: Cross multiply
198,515,276.80x = 297,782,246.40 × 62,205,107.20 - Step 4: Simplify right side
198,515,276.80x = 18,523,576,559,568,812 - Step 5: Solve for x
x = 18,523,576,559,568,812/198,515,276.80 - Step 6: Final answer
x = 93,310,584.75
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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.