Finding the Fourth Proportional to 192,168,157.20, 265,211,023.68 and 109,674,283.92
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Solution
The fourth proportional to 192,168,157.20, 265,211,023.68 and 109,674,283.92 is: 151,361,336.52
Step by Step Solution
- Step 1: Write the proportion equation
192,168,157.20 : 265,211,023.68 = 109,674,283.92 : x - Step 2: Convert to fraction form
192,168,157.20/265,211,023.68 = 109,674,283.92/x - Step 3: Cross multiply
192,168,157.20x = 265,211,023.68 × 109,674,283.92 - Step 4: Simplify right side
192,168,157.20x = 29,086,829,109,794,164 - Step 5: Solve for x
x = 29,086,829,109,794,164/192,168,157.20 - Step 6: Final answer
x = 151,361,336.52
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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.