Finding the Fourth Proportional to 149,256,121.03, 205,970,647.22 and 83,175,163.63
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Solution
The fourth proportional to 149,256,121.03, 205,970,647.22 and 83,175,163.63 is: 114,780,165.58
Step by Step Solution
- Step 1: Write the proportion equation
149,256,121.03 : 205,970,647.22 = 83,175,163.63 : x - Step 2: Convert to fraction form
149,256,121.03/205,970,647.22 = 83,175,163.63/x - Step 3: Cross multiply
149,256,121.03x = 205,970,647.22 × 83,175,163.63 - Step 4: Simplify right side
149,256,121.03x = 17,131,642,285,084,628 - Step 5: Solve for x
x = 17,131,642,285,084,628/149,256,121.03 - Step 6: Final answer
x = 114,780,165.58
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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.