Finding the Fourth Proportional to 66,765,160,122.60, 100,147,740,183.90 and 66,300,255,535.80
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Solution
The fourth proportional to 66,765,160,122.60, 100,147,740,183.90 and 66,300,255,535.80 is: 99,450,383,303.70
Step by Step Solution
- Step 1: Write the proportion equation
66,765,160,122.60 : 100,147,740,183.90 = 66,300,255,535.80 : x - Step 2: Convert to fraction form
66,765,160,122.60/100,147,740,183.90 = 66,300,255,535.80/x - Step 3: Cross multiply
66,765,160,122.60x = 100,147,740,183.90 × 66,300,255,535.80 - Step 4: Simplify right side
66,765,160,122.60x = 6,639,820,765,525,476,114,432 - Step 5: Solve for x
x = 6,639,820,765,525,476,114,432/66,765,160,122.60 - Step 6: Final answer
x = 99,450,383,303.70
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1.5x scale
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.