Finding the Fourth Proportional to 102,624,786.24, 141,568,512.12 and 63,454,041.60
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Solution
The fourth proportional to 102,624,786.24, 141,568,512.12 and 63,454,041.60 is: 87,533,378.50
Step by Step Solution
- Step 1: Write the proportion equation
102,624,786.24 : 141,568,512.12 = 63,454,041.60 : x - Step 2: Convert to fraction form
102,624,786.24/141,568,512.12 = 63,454,041.60/x - Step 3: Cross multiply
102,624,786.24x = 141,568,512.12 × 63,454,041.60 - Step 4: Simplify right side
102,624,786.24x = 8,983,094,257,312,585 - Step 5: Solve for x
x = 8,983,094,257,312,585/102,624,786.24 - Step 6: Final answer
x = 87,533,378.50
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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.