Finding the Fourth Proportional to 151,731,106.20, 227,596,659.30 and 113,467,354.20
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Solution
The fourth proportional to 151,731,106.20, 227,596,659.30 and 113,467,354.20 is: 170,201,031.30
Step by Step Solution
- Step 1: Write the proportion equation
151,731,106.20 : 227,596,659.30 = 113,467,354.20 : x - Step 2: Convert to fraction form
151,731,106.20/227,596,659.30 = 113,467,354.20/x - Step 3: Cross multiply
151,731,106.20x = 227,596,659.30 × 113,467,354.20 - Step 4: Simplify right side
151,731,106.20x = 25,824,790,755,529,828 - Step 5: Solve for x
x = 25,824,790,755,529,828/151,731,106.20 - Step 6: Final answer
x = 170,201,031.30
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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.