Finding the Fourth Proportional to 99,469,460.19, 148,504,797.70 and 76,003,392.18
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Solution
The fourth proportional to 99,469,460.19, 148,504,797.70 and 76,003,392.18 is: 113,470,690.99
Step by Step Solution
- Step 1: Write the proportion equation
99,469,460.19 : 148,504,797.70 = 76,003,392.18 : x - Step 2: Convert to fraction form
99,469,460.19/148,504,797.70 = 76,003,392.18/x - Step 3: Cross multiply
99,469,460.19x = 148,504,797.70 × 76,003,392.18 - Step 4: Simplify right side
99,469,460.19x = 11,286,868,380,204,662 - Step 5: Solve for x
x = 11,286,868,380,204,662/99,469,460.19 - Step 6: Final answer
x = 113,470,690.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.