Finding the Fourth Proportional to 251,861,037.84, 347,383,220.40 and 166,934,563.92
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Solution
The fourth proportional to 251,861,037.84, 347,383,220.40 and 166,934,563.92 is: 230,247,071.59
Step by Step Solution
- Step 1: Write the proportion equation
251,861,037.84 : 347,383,220.40 = 166,934,563.92 : x - Step 2: Convert to fraction form
251,861,037.84/347,383,220.40 = 166,934,563.92/x - Step 3: Cross multiply
251,861,037.84x = 347,383,220.40 × 166,934,563.92 - Step 4: Simplify right side
251,861,037.84x = 57,990,266,410,599,240 - Step 5: Solve for x
x = 57,990,266,410,599,240/251,861,037.84 - Step 6: Final answer
x = 230,247,071.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.