Finding the Fourth Proportional to 87,187,825.80, 130,781,738.70 and 36,052,849.80
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Solution
The fourth proportional to 87,187,825.80, 130,781,738.70 and 36,052,849.80 is: 54,079,274.70
Step by Step Solution
- Step 1: Write the proportion equation
87,187,825.80 : 130,781,738.70 = 36,052,849.80 : x - Step 2: Convert to fraction form
87,187,825.80/130,781,738.70 = 36,052,849.80/x - Step 3: Cross multiply
87,187,825.80x = 130,781,738.70 × 36,052,849.80 - Step 4: Simplify right side
87,187,825.80x = 4,715,054,381,933,947 - Step 5: Solve for x
x = 4,715,054,381,933,947/87,187,825.80 - Step 6: Final answer
x = 54,079,274.70
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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.