Finding the Fourth Proportional to 83,100,665.53, 125,218,221.08 and 68,286,452.41
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Solution
The fourth proportional to 83,100,665.53, 125,218,221.08 and 68,286,452.41 is: 102,895,783.56
Step by Step Solution
- Step 1: Write the proportion equation
83,100,665.53 : 125,218,221.08 = 68,286,452.41 : x - Step 2: Convert to fraction form
83,100,665.53/125,218,221.08 = 68,286,452.41/x - Step 3: Cross multiply
83,100,665.53x = 125,218,221.08 × 68,286,452.41 - Step 4: Simplify right side
83,100,665.53x = 8,550,708,094,473,562 - Step 5: Solve for x
x = 8,550,708,094,473,562/83,100,665.53 - Step 6: Final answer
x = 102,895,783.56
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.