Finding the Fourth Proportional to 96,848,474.89, 133,698,610.67 and 67,101,679.99
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Solution
The fourth proportional to 96,848,474.89, 133,698,610.67 and 67,101,679.99 is: 92,633,378.05
Step by Step Solution
- Step 1: Write the proportion equation
96,848,474.89 : 133,698,610.67 = 67,101,679.99 : x - Step 2: Convert to fraction form
96,848,474.89/133,698,610.67 = 67,101,679.99/x - Step 3: Cross multiply
96,848,474.89x = 133,698,610.67 × 67,101,679.99 - Step 4: Simplify right side
96,848,474.89x = 8,971,401,388,285,940 - Step 5: Solve for x
x = 8,971,401,388,285,940/96,848,474.89 - Step 6: Final answer
x = 92,633,378.05
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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.