Finding the Fourth Proportional to 126,192,558.57, 174,174,787.61 and 73,998,409.37
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Solution
The fourth proportional to 126,192,558.57, 174,174,787.61 and 73,998,409.37 is: 102,134,843.61
Step by Step Solution
- Step 1: Write the proportion equation
126,192,558.57 : 174,174,787.61 = 73,998,409.37 : x - Step 2: Convert to fraction form
126,192,558.57/174,174,787.61 = 73,998,409.37/x - Step 3: Cross multiply
126,192,558.57x = 174,174,787.61 × 73,998,409.37 - Step 4: Simplify right side
126,192,558.57x = 12,888,657,234,256,716 - Step 5: Solve for x
x = 12,888,657,234,256,716/126,192,558.57 - Step 6: Final answer
x = 102,134,843.61
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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.