Finding the Fourth Proportional to 248,163,405.30, 372,245,107.95 and 66,410,583.30
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Solution
The fourth proportional to 248,163,405.30, 372,245,107.95 and 66,410,583.30 is: 99,615,874.95
Step by Step Solution
- Step 1: Write the proportion equation
248,163,405.30 : 372,245,107.95 = 66,410,583.30 : x - Step 2: Convert to fraction form
248,163,405.30/372,245,107.95 = 66,410,583.30/x - Step 3: Cross multiply
248,163,405.30x = 372,245,107.95 × 66,410,583.30 - Step 4: Simplify right side
248,163,405.30x = 24,721,014,749,530,964 - Step 5: Solve for x
x = 24,721,014,749,530,964/248,163,405.30 - Step 6: Final answer
x = 99,615,874.95
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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.