Finding the Fourth Proportional to 122,023,786.14, 168,392,967.03 and 66,269,244.06
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Solution
The fourth proportional to 122,023,786.14, 168,392,967.03 and 66,269,244.06 is: 91,451,634.01
Step by Step Solution
- Step 1: Write the proportion equation
122,023,786.14 : 168,392,967.03 = 66,269,244.06 : x - Step 2: Convert to fraction form
122,023,786.14/168,392,967.03 = 66,269,244.06/x - Step 3: Cross multiply
122,023,786.14x = 168,392,967.03 × 66,269,244.06 - Step 4: Simplify right side
122,023,786.14x = 11,159,274,630,098,604 - Step 5: Solve for x
x = 11,159,274,630,098,604/122,023,786.14 - Step 6: Final answer
x = 91,451,634.01
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1.5x scale
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.