Finding the Fourth Proportional to 203,542,466.74, 280,888,391.49 and 110,722,753.12
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Solution
The fourth proportional to 203,542,466.74, 280,888,391.49 and 110,722,753.12 is: 152,797,283.65
Step by Step Solution
- Step 1: Write the proportion equation
203,542,466.74 : 280,888,391.49 = 110,722,753.12 : x - Step 2: Convert to fraction form
203,542,466.74/280,888,391.49 = 110,722,753.12/x - Step 3: Cross multiply
203,542,466.74x = 280,888,391.49 × 110,722,753.12 - Step 4: Simplify right side
203,542,466.74x = 31,100,736,025,221,180 - Step 5: Solve for x
x = 31,100,736,025,221,180/203,542,466.74 - Step 6: Final answer
x = 152,797,283.65
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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.