Finding the Fourth Proportional to 222,611,112.88, 333,967,968.91 and 77,044,675.99
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Solution
The fourth proportional to 222,611,112.88, 333,967,968.91 and 77,044,675.99 is: 115,584,768.54
Step by Step Solution
- Step 1: Write the proportion equation
222,611,112.88 : 333,967,968.91 = 77,044,675.99 : x - Step 2: Convert to fraction form
222,611,112.88/333,967,968.91 = 77,044,675.99/x - Step 3: Cross multiply
222,611,112.88x = 333,967,968.91 × 77,044,675.99 - Step 4: Simplify right side
222,611,112.88x = 25,730,453,955,709,344 - Step 5: Solve for x
x = 25,730,453,955,709,344/222,611,112.88 - Step 6: Final answer
x = 115,584,768.54
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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.