Finding the Fourth Proportional to 255,522,012.08, 383,129,789.67 and 117,174,306.42
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Solution
The fourth proportional to 255,522,012.08, 383,129,789.67 and 117,174,306.42 is: 175,691,193.92
Step by Step Solution
- Step 1: Write the proportion equation
255,522,012.08 : 383,129,789.67 = 117,174,306.42 : x - Step 2: Convert to fraction form
255,522,012.08/383,129,789.67 = 117,174,306.42/x - Step 3: Cross multiply
255,522,012.08x = 383,129,789.67 × 117,174,306.42 - Step 4: Simplify right side
255,522,012.08x = 44,892,967,373,422,736 - Step 5: Solve for x
x = 44,892,967,373,422,736/255,522,012.08 - Step 6: Final answer
x = 175,691,193.92
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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.