Finding the Fourth Proportional to 111,214,235.80, 166,821,353.70 and 92,318,555.80
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Solution
The fourth proportional to 111,214,235.80, 166,821,353.70 and 92,318,555.80 is: 138,477,833.70
Step by Step Solution
- Step 1: Write the proportion equation
111,214,235.80 : 166,821,353.70 = 92,318,555.80 : x - Step 2: Convert to fraction form
111,214,235.80/166,821,353.70 = 92,318,555.80/x - Step 3: Cross multiply
111,214,235.80x = 166,821,353.70 × 92,318,555.80 - Step 4: Simplify right side
111,214,235.80x = 15,400,706,450,184,984 - Step 5: Solve for x
x = 15,400,706,450,184,984/111,214,235.80 - Step 6: Final answer
x = 138,477,833.70
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1.5x scale
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.