Finding the Fourth Proportional to 87,795,715.16, 121,165,527.16 and 48,649,771.12
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Solution
The fourth proportional to 87,795,715.16, 121,165,527.16 and 48,649,771.12 is: 67,140,806.97
Step by Step Solution
- Step 1: Write the proportion equation
87,795,715.16 : 121,165,527.16 = 48,649,771.12 : x - Step 2: Convert to fraction form
87,795,715.16/121,165,527.16 = 48,649,771.12/x - Step 3: Cross multiply
87,795,715.16x = 121,165,527.16 × 48,649,771.12 - Step 4: Simplify right side
87,795,715.16x = 5,894,675,163,968,143 - Step 5: Solve for x
x = 5,894,675,163,968,143/87,795,715.16 - Step 6: Final answer
x = 67,140,806.97
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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.