Finding the Fourth Proportional to 101,154,469.80, 151,731,704.70 and 75,645,301.80
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Solution
The fourth proportional to 101,154,469.80, 151,731,704.70 and 75,645,301.80 is: 113,467,952.70
Step by Step Solution
- Step 1: Write the proportion equation
101,154,469.80 : 151,731,704.70 = 75,645,301.80 : x - Step 2: Convert to fraction form
101,154,469.80/151,731,704.70 = 75,645,301.80/x - Step 3: Cross multiply
101,154,469.80x = 151,731,704.70 × 75,645,301.80 - Step 4: Simplify right side
101,154,469.80x = 11,477,790,594,659,978 - Step 5: Solve for x
x = 11,477,790,594,659,978/101,154,469.80 - Step 6: Final answer
x = 113,467,952.70
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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.