Finding the Fourth Proportional to 147,622,801.20, 221,434,201.80 and 50,546,245.20
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Solution
The fourth proportional to 147,622,801.20, 221,434,201.80 and 50,546,245.20 is: 75,819,367.80
Step by Step Solution
- Step 1: Write the proportion equation
147,622,801.20 : 221,434,201.80 = 50,546,245.20 : x - Step 2: Convert to fraction form
147,622,801.20/221,434,201.80 = 50,546,245.20/x - Step 3: Cross multiply
147,622,801.20x = 221,434,201.80 × 50,546,245.20 - Step 4: Simplify right side
147,622,801.20x = 11,192,667,459,849,082 - Step 5: Solve for x
x = 11,192,667,459,849,082/147,622,801.20 - Step 6: Final answer
x = 75,819,367.80
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1.5x scale
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.