Finding the Fourth Proportional to 71,192,310.99, 106,798,699.73 and 22,011,999.67
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Solution
The fourth proportional to 71,192,310.99, 106,798,699.73 and 22,011,999.67 is: 33,021,163.53
Step by Step Solution
- Step 1: Write the proportion equation
71,192,310.99 : 106,798,699.73 = 22,011,999.67 : x - Step 2: Convert to fraction form
71,192,310.99/106,798,699.73 = 22,011,999.67/x - Step 3: Cross multiply
71,192,310.99x = 106,798,699.73 × 22,011,999.67 - Step 4: Simplify right side
71,192,310.99x = 2,350,852,943,103,129 - Step 5: Solve for x
x = 2,350,852,943,103,129/71,192,310.99 - Step 6: Final answer
x = 33,021,163.53
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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.