Finding the Fourth Proportional to 96,848,473.89, 133,698,609.29 and 67,101,678.99
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Solution
The fourth proportional to 96,848,473.89, 133,698,609.29 and 67,101,678.99 is: 92,633,376.67
Step by Step Solution
- Step 1: Write the proportion equation
96,848,473.89 : 133,698,609.29 = 67,101,678.99 : x - Step 2: Convert to fraction form
96,848,473.89/133,698,609.29 = 67,101,678.99/x - Step 3: Cross multiply
96,848,473.89x = 133,698,609.29 × 67,101,678.99 - Step 4: Simplify right side
96,848,473.89x = 8,971,401,161,651,503 - Step 5: Solve for x
x = 8,971,401,161,651,503/96,848,473.89 - Step 6: Final answer
x = 92,633,376.67
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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.