Finding the Fourth Proportional to 203,542,470.24, 280,888,396.29 and 110,722,756.65
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Solution
The fourth proportional to 203,542,470.24, 280,888,396.29 and 110,722,756.65 is: 152,797,288.50
Step by Step Solution
- Step 1: Write the proportion equation
203,542,470.24 : 280,888,396.29 = 110,722,756.65 : x - Step 2: Convert to fraction form
203,542,470.24/280,888,396.29 = 110,722,756.65/x - Step 3: Cross multiply
203,542,470.24x = 280,888,396.29 × 110,722,756.65 - Step 4: Simplify right side
203,542,470.24x = 31,100,737,548,226,436 - Step 5: Solve for x
x = 31,100,737,548,226,436/203,542,470.24 - Step 6: Final answer
x = 152,797,288.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.