Finding the Fourth Proportional to 50,608,495.85, 69,839,818.99 and 28,281,481.49
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Solution
The fourth proportional to 50,608,495.85, 69,839,818.99 and 28,281,481.49 is: 39,028,497.39
Step by Step Solution
- Step 1: Write the proportion equation
50,608,495.85 : 69,839,818.99 = 28,281,481.49 : x - Step 2: Convert to fraction form
50,608,495.85/69,839,818.99 = 28,281,481.49/x - Step 3: Cross multiply
50,608,495.85x = 69,839,818.99 × 28,281,481.49 - Step 4: Simplify right side
50,608,495.85x = 1,975,173,548,134,531.25 - Step 5: Solve for x
x = 1,975,173,548,134,531.25/50,608,495.85 - Step 6: Final answer
x = 39,028,497.39
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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.