Finding the Fourth Proportional to 187,427,753.36, 281,322,984.12 and 90,451,728.08
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Solution
The fourth proportional to 187,427,753.36, 281,322,984.12 and 90,451,728.08 is: 135,765,112.72
Step by Step Solution
- Step 1: Write the proportion equation
187,427,753.36 : 281,322,984.12 = 90,451,728.08 : x - Step 2: Convert to fraction form
187,427,753.36/281,322,984.12 = 90,451,728.08/x - Step 3: Cross multiply
187,427,753.36x = 281,322,984.12 × 90,451,728.08 - Step 4: Simplify right side
187,427,753.36x = 25,446,150,062,276,400 - Step 5: Solve for x
x = 25,446,150,062,276,400/187,427,753.36 - Step 6: Final answer
x = 135,765,112.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.