Finding the Fourth Proportional to 125,996,859.21, 189,063,047.76 and 121,410,772.49
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Solution
The fourth proportional to 125,996,859.21, 189,063,047.76 and 121,410,772.49 is: 182,181,451.37
Step by Step Solution
- Step 1: Write the proportion equation
125,996,859.21 : 189,063,047.76 = 121,410,772.49 : x - Step 2: Convert to fraction form
125,996,859.21/189,063,047.76 = 121,410,772.49/x - Step 3: Cross multiply
125,996,859.21x = 189,063,047.76 × 121,410,772.49 - Step 4: Simplify right side
125,996,859.21x = 22,954,290,677,931,504 - Step 5: Solve for x
x = 22,954,290,677,931,504/125,996,859.21 - Step 6: Final answer
x = 182,181,451.37
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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.