Finding the Fourth Proportional to 203,890,626.08, 305,988,250.96 and 138,155,899.94
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Solution
The fourth proportional to 203,890,626.08, 305,988,250.96 and 138,155,899.94 is: 207,337,056.12
Step by Step Solution
- Step 1: Write the proportion equation
203,890,626.08 : 305,988,250.96 = 138,155,899.94 : x - Step 2: Convert to fraction form
203,890,626.08/305,988,250.96 = 138,155,899.94/x - Step 3: Cross multiply
203,890,626.08x = 305,988,250.96 × 138,155,899.94 - Step 4: Simplify right side
203,890,626.08x = 42,274,082,183,383,032 - Step 5: Solve for x
x = 42,274,082,183,383,032/203,890,626.08 - Step 6: Final answer
x = 207,337,056.12
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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.