Finding the Fourth Proportional to 111,356,450.36, 153,656,214.99 and 66,691,955.24
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Solution
The fourth proportional to 111,356,450.36, 153,656,214.99 and 66,691,955.24 is: 92,025,503.50
Step by Step Solution
- Step 1: Write the proportion equation
111,356,450.36 : 153,656,214.99 = 66,691,955.24 : x - Step 2: Convert to fraction form
111,356,450.36/153,656,214.99 = 66,691,955.24/x - Step 3: Cross multiply
111,356,450.36x = 153,656,214.99 × 66,691,955.24 - Step 4: Simplify right side
111,356,450.36x = 10,247,633,411,692,616 - Step 5: Solve for x
x = 10,247,633,411,692,616/111,356,450.36 - Step 6: Final answer
x = 92,025,503.50
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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.