Finding the Fourth Proportional to 125,691,868.24, 188,564,939.46 and 38,260,222.12
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Solution
The fourth proportional to 125,691,868.24, 188,564,939.46 and 38,260,222.12 is: 57,398,593.63
Step by Step Solution
- Step 1: Write the proportion equation
125,691,868.24 : 188,564,939.46 = 38,260,222.12 : x - Step 2: Convert to fraction form
125,691,868.24/188,564,939.46 = 38,260,222.12/x - Step 3: Cross multiply
125,691,868.24x = 188,564,939.46 × 38,260,222.12 - Step 4: Simplify right side
125,691,868.24x = 7,214,536,467,783,953 - Step 5: Solve for x
x = 7,214,536,467,783,953/125,691,868.24 - Step 6: Final answer
x = 57,398,593.63
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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.