Finding the Fourth Proportional to 122,023,462.75, 168,351,409.39 and 69,092,937.88
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Solution
The fourth proportional to 122,023,462.75, 168,351,409.39 and 69,092,937.88 is: 95,325,056.42
Step by Step Solution
- Step 1: Write the proportion equation
122,023,462.75 : 168,351,409.39 = 69,092,937.88 : x - Step 2: Convert to fraction form
122,023,462.75/168,351,409.39 = 69,092,937.88/x - Step 3: Cross multiply
122,023,462.75x = 168,351,409.39 × 69,092,937.88 - Step 4: Simplify right side
122,023,462.75x = 11,631,893,470,993,716 - Step 5: Solve for x
x = 11,631,893,470,993,716/122,023,462.75 - Step 6: Final answer
x = 95,325,056.42
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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.