Finding the Fourth Proportional to 149,471,982.40, 224,207,973.60 and 91,777,172.80
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Solution
The fourth proportional to 149,471,982.40, 224,207,973.60 and 91,777,172.80 is: 137,665,759.20
Step by Step Solution
- Step 1: Write the proportion equation
149,471,982.40 : 224,207,973.60 = 91,777,172.80 : x - Step 2: Convert to fraction form
149,471,982.40/224,207,973.60 = 91,777,172.80/x - Step 3: Cross multiply
149,471,982.40x = 224,207,973.60 × 91,777,172.80 - Step 4: Simplify right side
149,471,982.40x = 20,577,173,936,225,036 - Step 5: Solve for x
x = 20,577,173,936,225,036/149,471,982.40 - Step 6: Final answer
x = 137,665,759.20
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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.