Finding the Fourth Proportional to 49,347,607.87, 73,968,923.80 and 18,629,137.09
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Solution
The fourth proportional to 49,347,607.87, 73,968,923.80 and 18,629,137.09 is: 27,923,890.97
Step by Step Solution
- Step 1: Write the proportion equation
49,347,607.87 : 73,968,923.80 = 18,629,137.09 : x - Step 2: Convert to fraction form
49,347,607.87/73,968,923.80 = 18,629,137.09/x - Step 3: Cross multiply
49,347,607.87x = 73,968,923.80 × 18,629,137.09 - Step 4: Simplify right side
49,347,607.87x = 1,377,977,221,803,884.50 - Step 5: Solve for x
x = 1,377,977,221,803,884.50/49,347,607.87 - Step 6: Final answer
x = 27,923,890.97
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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.