Finding the Fourth Proportional to 163,301,431.80, 244,952,147.70 and 122,990,647.80
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Solution
The fourth proportional to 163,301,431.80, 244,952,147.70 and 122,990,647.80 is: 184,485,971.70
Step by Step Solution
- Step 1: Write the proportion equation
163,301,431.80 : 244,952,147.70 = 122,990,647.80 : x - Step 2: Convert to fraction form
163,301,431.80/244,952,147.70 = 122,990,647.80/x - Step 3: Cross multiply
163,301,431.80x = 244,952,147.70 × 122,990,647.80 - Step 4: Simplify right side
163,301,431.80x = 30,126,823,325,624,276 - Step 5: Solve for x
x = 30,126,823,325,624,276/163,301,431.80 - Step 6: Final answer
x = 184,485,971.70
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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.