Finding the Fourth Proportional to 49,853,847.94, 68,809,789.38 and 29,233,937.14
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Solution
The fourth proportional to 49,853,847.94, 68,809,789.38 and 29,233,937.14 is: 40,349,564.59
Step by Step Solution
- Step 1: Write the proportion equation
49,853,847.94 : 68,809,789.38 = 29,233,937.14 : x - Step 2: Convert to fraction form
49,853,847.94/68,809,789.38 = 29,233,937.14/x - Step 3: Cross multiply
49,853,847.94x = 68,809,789.38 × 29,233,937.14 - Step 4: Simplify right side
49,853,847.94x = 2,011,581,057,351,559.50 - Step 5: Solve for x
x = 2,011,581,057,351,559.50/49,853,847.94 - Step 6: Final answer
x = 40,349,564.59
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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.