Finding the Fourth Proportional to 239,310,866.42, 330,274,385.46 and 140,274,822.42
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Solution
The fourth proportional to 239,310,866.42, 330,274,385.46 and 140,274,822.42 is: 193,594,137.46
Step by Step Solution
- Step 1: Write the proportion equation
239,310,866.42 : 330,274,385.46 = 140,274,822.42 : x - Step 2: Convert to fraction form
239,310,866.42/330,274,385.46 = 140,274,822.42/x - Step 3: Cross multiply
239,310,866.42x = 330,274,385.46 × 140,274,822.42 - Step 4: Simplify right side
239,310,866.42x = 46,329,180,770,276,120 - Step 5: Solve for x
x = 46,329,180,770,276,120/239,310,866.42 - Step 6: Final answer
x = 193,594,137.46
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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.