Finding the Fourth Proportional to 248,164,107.40, 372,246,161.10 and 156,331,102.60
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Solution
The fourth proportional to 248,164,107.40, 372,246,161.10 and 156,331,102.60 is: 234,496,653.90
Step by Step Solution
- Step 1: Write the proportion equation
248,164,107.40 : 372,246,161.10 = 156,331,102.60 : x - Step 2: Convert to fraction form
248,164,107.40/372,246,161.10 = 156,331,102.60/x - Step 3: Cross multiply
248,164,107.40x = 372,246,161.10 × 156,331,102.60 - Step 4: Simplify right side
248,164,107.40x = 58,193,652,803,380,232 - Step 5: Solve for x
x = 58,193,652,803,380,232/248,164,107.40 - Step 6: Final answer
x = 234,496,653.90
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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.