Finding the Fourth Proportional to 89,825,517.80, 134,486,334.30 and 87,306,093.80
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Solution
The fourth proportional to 89,825,517.80, 134,486,334.30 and 87,306,093.80 is: 130,714,264.77
Step by Step Solution
- Step 1: Write the proportion equation
89,825,517.80 : 134,486,334.30 = 87,306,093.80 : x - Step 2: Convert to fraction form
89,825,517.80/134,486,334.30 = 87,306,093.80/x - Step 3: Cross multiply
89,825,517.80x = 134,486,334.30 × 87,306,093.80 - Step 4: Simplify right side
89,825,517.80x = 11,741,476,517,213,958 - Step 5: Solve for x
x = 11,741,476,517,213,958/89,825,517.80 - Step 6: Final answer
x = 130,714,264.77
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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.