Finding the Fourth Proportional to 98,820,822.28, 136,372,747.67 and 54,770,665.08
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Solution
The fourth proportional to 98,820,822.28, 136,372,747.67 and 54,770,665.08 is: 75,583,524.97
Step by Step Solution
- Step 1: Write the proportion equation
98,820,822.28 : 136,372,747.67 = 54,770,665.08 : x - Step 2: Convert to fraction form
98,820,822.28/136,372,747.67 = 54,770,665.08/x - Step 3: Cross multiply
98,820,822.28x = 136,372,747.67 × 54,770,665.08 - Step 4: Simplify right side
98,820,822.28x = 7,469,226,087,991,056 - Step 5: Solve for x
x = 7,469,226,087,991,056/98,820,822.28 - Step 6: Final answer
x = 75,583,524.97
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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.