Finding the Fourth Proportional to 103,589,107.10, 155,383,660.65 and 69,526,771.10
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Solution
The fourth proportional to 103,589,107.10, 155,383,660.65 and 69,526,771.10 is: 104,290,156.65
Step by Step Solution
- Step 1: Write the proportion equation
103,589,107.10 : 155,383,660.65 = 69,526,771.10 : x - Step 2: Convert to fraction form
103,589,107.10/155,383,660.65 = 69,526,771.10/x - Step 3: Cross multiply
103,589,107.10x = 155,383,660.65 × 69,526,771.10 - Step 4: Simplify right side
103,589,107.10x = 10,803,324,206,692,626 - Step 5: Solve for x
x = 10,803,324,206,692,626/103,589,107.10 - Step 6: Final answer
x = 104,290,156.65
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Similar ratio
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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.