Finding the Fourth Proportional to 55,601,219.40, 76,684,188.96 and 39,135,850.44
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Solution
The fourth proportional to 55,601,219.40, 76,684,188.96 and 39,135,850.44 is: 53,975,452.02
Step by Step Solution
- Step 1: Write the proportion equation
55,601,219.40 : 76,684,188.96 = 39,135,850.44 : x - Step 2: Convert to fraction form
55,601,219.40/76,684,188.96 = 39,135,850.44/x - Step 3: Cross multiply
55,601,219.40x = 76,684,188.96 × 39,135,850.44 - Step 4: Simplify right side
55,601,219.40x = 3,001,100,950,251,258.50 - Step 5: Solve for x
x = 3,001,100,950,251,258.50/55,601,219.40 - Step 6: Final answer
x = 53,975,452.02
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1.5x scale
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.