Finding the Fourth Proportional to 126,193,738.37, 174,176,415.41 and 73,999,589.13
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Solution
The fourth proportional to 126,193,738.37, 174,176,415.41 and 73,999,589.13 is: 102,136,471.61
Step by Step Solution
- Step 1: Write the proportion equation
126,193,738.37 : 174,176,415.41 = 73,999,589.13 : x - Step 2: Convert to fraction form
126,193,738.37/174,176,415.41 = 73,999,589.13/x - Step 3: Cross multiply
126,193,738.37x = 174,176,415.41 × 73,999,589.13 - Step 4: Simplify right side
126,193,738.37x = 12,888,983,176,106,202 - Step 5: Solve for x
x = 12,888,983,176,106,202/126,193,738.37 - Step 6: Final answer
x = 102,136,471.61
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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.