Finding the Fourth Proportional to 150,222,000.12, 225,306,364.12 and 68,321,694.84
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Solution
The fourth proportional to 150,222,000.12, 225,306,364.12 and 68,321,694.84 is: 102,470,428.05
Step by Step Solution
- Step 1: Write the proportion equation
150,222,000.12 : 225,306,364.12 = 68,321,694.84 : x - Step 2: Convert to fraction form
150,222,000.12/225,306,364.12 = 68,321,694.84/x - Step 3: Cross multiply
150,222,000.12x = 225,306,364.12 × 68,321,694.84 - Step 4: Simplify right side
150,222,000.12x = 15,393,312,654,916,566 - Step 5: Solve for x
x = 15,393,312,654,916,566/150,222,000.12 - Step 6: Final answer
x = 102,470,428.05
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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.