Finding the Fourth Proportional to 147,622,800.70, 221,434,201.05 and 43,991,805.70
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Solution
The fourth proportional to 147,622,800.70, 221,434,201.05 and 43,991,805.70 is: 65,987,708.55
Step by Step Solution
- Step 1: Write the proportion equation
147,622,800.70 : 221,434,201.05 = 43,991,805.70 : x - Step 2: Convert to fraction form
147,622,800.70/221,434,201.05 = 43,991,805.70/x - Step 3: Cross multiply
147,622,800.70x = 221,434,201.05 × 43,991,805.70 - Step 4: Simplify right side
147,622,800.70x = 9,741,290,347,926,338 - Step 5: Solve for x
x = 9,741,290,347,926,338/147,622,800.70 - Step 6: Final answer
x = 65,987,708.55
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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.