Finding the Fourth Proportional to 122,448,560.24, 168,979,003.68 and 67,444,416.74
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Solution
The fourth proportional to 122,448,560.24, 168,979,003.68 and 67,444,416.74 is: 93,073,289.90
Step by Step Solution
- Step 1: Write the proportion equation
122,448,560.24 : 168,979,003.68 = 67,444,416.74 : x - Step 2: Convert to fraction form
122,448,560.24/168,979,003.68 = 67,444,416.74/x - Step 3: Cross multiply
122,448,560.24x = 168,979,003.68 × 67,444,416.74 - Step 4: Simplify right side
122,448,560.24x = 11,396,690,344,503,914 - Step 5: Solve for x
x = 11,396,690,344,503,914/122,448,560.24 - Step 6: Final answer
x = 93,073,289.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.