Finding the Fourth Proportional to 209,331,154.94, 288,871,713.99 and 115,244,362.58
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Solution
The fourth proportional to 209,331,154.94, 288,871,713.99 and 115,244,362.58 is: 159,034,313.62
Step by Step Solution
- Step 1: Write the proportion equation
209,331,154.94 : 288,871,713.99 = 115,244,362.58 : x - Step 2: Convert to fraction form
209,331,154.94/288,871,713.99 = 115,244,362.58/x - Step 3: Cross multiply
209,331,154.94x = 288,871,713.99 × 115,244,362.58 - Step 4: Simplify right side
209,331,154.94x = 33,290,836,544,725,260 - Step 5: Solve for x
x = 33,290,836,544,725,260/209,331,154.94 - Step 6: Final answer
x = 159,034,313.62
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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.