Finding the Fourth Proportional to 80,986,367.55, 121,479,551.33 and 74,750,793.15
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Solution
The fourth proportional to 80,986,367.55, 121,479,551.33 and 74,750,793.15 is: 112,126,189.73
Step by Step Solution
- Step 1: Write the proportion equation
80,986,367.55 : 121,479,551.33 = 74,750,793.15 : x - Step 2: Convert to fraction form
80,986,367.55/121,479,551.33 = 74,750,793.15/x - Step 3: Cross multiply
80,986,367.55x = 121,479,551.33 × 74,750,793.15 - Step 4: Simplify right side
80,986,367.55x = 9,080,692,813,049,884 - Step 5: Solve for x
x = 9,080,692,813,049,884/80,986,367.55 - Step 6: Final answer
x = 112,126,189.73
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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.