Finding the Fourth Proportional to 122,385,176.70, 183,577,765.05 and 115,204,818.30
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Solution
The fourth proportional to 122,385,176.70, 183,577,765.05 and 115,204,818.30 is: 172,807,227.45
Step by Step Solution
- Step 1: Write the proportion equation
122,385,176.70 : 183,577,765.05 = 115,204,818.30 : x - Step 2: Convert to fraction form
122,385,176.70/183,577,765.05 = 115,204,818.30/x - Step 3: Cross multiply
122,385,176.70x = 183,577,765.05 × 115,204,818.30 - Step 4: Simplify right side
122,385,176.70x = 21,149,043,066,505,340 - Step 5: Solve for x
x = 21,149,043,066,505,340/122,385,176.70 - Step 6: Final answer
x = 172,807,227.45
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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.