Finding the Fourth Proportional to 80,198,568.97, 110,674,237.76 and 43,529,139.97
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Solution
The fourth proportional to 80,198,568.97, 110,674,237.76 and 43,529,139.97 is: 60,070,328.54
Step by Step Solution
- Step 1: Write the proportion equation
80,198,568.97 : 110,674,237.76 = 43,529,139.97 : x - Step 2: Convert to fraction form
80,198,568.97/110,674,237.76 = 43,529,139.97/x - Step 3: Cross multiply
80,198,568.97x = 110,674,237.76 × 43,529,139.97 - Step 4: Simplify right side
80,198,568.97x = 4,817,554,386,310,453 - Step 5: Solve for x
x = 4,817,554,386,310,453/80,198,568.97 - Step 6: Final answer
x = 60,070,328.54
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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.