Finding the Fourth Proportional to 127,415,104.56, 175,847,771.88 and 72,419,227.92
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Solution
The fourth proportional to 127,415,104.56, 175,847,771.88 and 72,419,227.92 is: 99,947,018.96
Step by Step Solution
- Step 1: Write the proportion equation
127,415,104.56 : 175,847,771.88 = 72,419,227.92 : x - Step 2: Convert to fraction form
127,415,104.56/175,847,771.88 = 72,419,227.92/x - Step 3: Cross multiply
127,415,104.56x = 175,847,771.88 × 72,419,227.92 - Step 4: Simplify right side
127,415,104.56x = 12,734,759,871,001,886 - Step 5: Solve for x
x = 12,734,759,871,001,886/127,415,104.56 - Step 6: Final answer
x = 99,947,018.96
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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.