Finding the Fourth Proportional to 230,107,597.28, 317,546,388 and 125,685,640.92
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Solution
The fourth proportional to 230,107,597.28, 317,546,388 and 125,685,640.92 is: 173,445,039.50
Step by Step Solution
- Step 1: Write the proportion equation
230,107,597.28 : 317,546,388 = 125,685,640.92 : x - Step 2: Convert to fraction form
230,107,597.28/317,546,388 = 125,685,640.92/x - Step 3: Cross multiply
230,107,597.28x = 317,546,388 × 125,685,640.92 - Step 4: Simplify right side
230,107,597.28x = 39,911,021,297,611,000 - Step 5: Solve for x
x = 39,911,021,297,611,000/230,107,597.28 - Step 6: Final answer
x = 173,445,039.50
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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.