Finding the Fourth Proportional to 127,119,311.10, 190,680,738.18 and 36,242,900.10
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Solution
The fourth proportional to 127,119,311.10, 190,680,738.18 and 36,242,900.10 is: 54,364,855.23
Step by Step Solution
- Step 1: Write the proportion equation
127,119,311.10 : 190,680,738.18 = 36,242,900.10 : x - Step 2: Convert to fraction form
127,119,311.10/190,680,738.18 = 36,242,900.10/x - Step 3: Cross multiply
127,119,311.10x = 190,680,738.18 × 36,242,900.10 - Step 4: Simplify right side
127,119,311.10x = 6,910,822,944,851,996 - Step 5: Solve for x
x = 6,910,822,944,851,996/127,119,311.10 - Step 6: Final answer
x = 54,364,855.23
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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.