Finding the Fourth Proportional to 117,686,318.70, 176,193,554.85 and 117,686,318.70
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Solution
The fourth proportional to 117,686,318.70, 176,193,554.85 and 117,686,318.70 is: 176,193,554.85
Step by Step Solution
- Step 1: Write the proportion equation
117,686,318.70 : 176,193,554.85 = 117,686,318.70 : x - Step 2: Convert to fraction form
117,686,318.70/176,193,554.85 = 117,686,318.70/x - Step 3: Cross multiply
117,686,318.70x = 176,193,554.85 × 117,686,318.70 - Step 4: Simplify right side
117,686,318.70x = 20,735,570,848,963,032 - Step 5: Solve for x
x = 20,735,570,848,963,032/117,686,318.70 - Step 6: Final answer
x = 176,193,554.85
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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.