Finding the Fourth Proportional to 117,008,857.90, 175,534,282.05 and 48,858,438.70
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Solution
The fourth proportional to 117,008,857.90, 175,534,282.05 and 48,858,438.70 is: 73,296,424.85
Step by Step Solution
- Step 1: Write the proportion equation
117,008,857.90 : 175,534,282.05 = 48,858,438.70 : x - Step 2: Convert to fraction form
117,008,857.90/175,534,282.05 = 48,858,438.70/x - Step 3: Cross multiply
117,008,857.90x = 175,534,282.05 × 48,858,438.70 - Step 4: Simplify right side
117,008,857.90x = 8,576,330,959,288,436 - Step 5: Solve for x
x = 8,576,330,959,288,436/117,008,857.90 - Step 6: Final answer
x = 73,296,424.85
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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.