Finding the Fourth Proportional to 209,331,053.87, 288,871,574.36 and 115,244,261.75
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Solution
The fourth proportional to 209,331,053.87, 288,871,574.36 and 115,244,261.75 is: 159,034,174.40
Step by Step Solution
- Step 1: Write the proportion equation
209,331,053.87 : 288,871,574.36 = 115,244,261.75 : x - Step 2: Convert to fraction form
209,331,053.87/288,871,574.36 = 115,244,261.75/x - Step 3: Cross multiply
209,331,053.87x = 288,871,574.36 × 115,244,261.75 - Step 4: Simplify right side
209,331,053.87x = 33,290,791,327,824,388 - Step 5: Solve for x
x = 33,290,791,327,824,388/209,331,053.87 - Step 6: Final answer
x = 159,034,174.40
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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.