Finding the Fourth Proportional to 229,871,548.81, 317,218,310.84 and 125,450,367.47
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Solution
The fourth proportional to 229,871,548.81, 317,218,310.84 and 125,450,367.47 is: 173,119,091.38
Step by Step Solution
- Step 1: Write the proportion equation
229,871,548.81 : 317,218,310.84 = 125,450,367.47 : x - Step 2: Convert to fraction form
229,871,548.81/317,218,310.84 = 125,450,367.47/x - Step 3: Cross multiply
229,871,548.81x = 317,218,310.84 × 125,450,367.47 - Step 4: Simplify right side
229,871,548.81x = 39,795,153,663,007,784 - Step 5: Solve for x
x = 39,795,153,663,007,784/229,871,548.81 - Step 6: Final answer
x = 173,119,091.38
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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.