Finding the Fourth Proportional to 126,102,652.81, 189,147,250.05 and 33,984,912.85
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Solution
The fourth proportional to 126,102,652.81, 189,147,250.05 and 33,984,912.85 is: 50,975,555.75
Step by Step Solution
- Step 1: Write the proportion equation
126,102,652.81 : 189,147,250.05 = 33,984,912.85 : x - Step 2: Convert to fraction form
126,102,652.81/189,147,250.05 = 33,984,912.85/x - Step 3: Cross multiply
126,102,652.81x = 189,147,250.05 × 33,984,912.85 - Step 4: Simplify right side
126,102,652.81x = 6,428,152,808,766,409 - Step 5: Solve for x
x = 6,428,152,808,766,409/126,102,652.81 - Step 6: Final answer
x = 50,975,555.75
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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.