Finding the Fourth Proportional to 170,355,440.80, 255,533,161.20 and 102,163,031.20
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Solution
The fourth proportional to 170,355,440.80, 255,533,161.20 and 102,163,031.20 is: 153,244,546.80
Step by Step Solution
- Step 1: Write the proportion equation
170,355,440.80 : 255,533,161.20 = 102,163,031.20 : x - Step 2: Convert to fraction form
170,355,440.80/255,533,161.20 = 102,163,031.20/x - Step 3: Cross multiply
170,355,440.80x = 255,533,161.20 × 102,163,031.20 - Step 4: Simplify right side
170,355,440.80x = 26,106,042,320,310,228 - Step 5: Solve for x
x = 26,106,042,320,310,228/170,355,440.80 - Step 6: Final answer
x = 153,244,546.80
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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.