Finding the Fourth Proportional to 53,759,366.20, 80,639,340.90 and 13,369,850.20
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Solution
The fourth proportional to 53,759,366.20, 80,639,340.90 and 13,369,850.20 is: 20,054,847.82
Step by Step Solution
- Step 1: Write the proportion equation
53,759,366.20 : 80,639,340.90 = 13,369,850.20 : x - Step 2: Convert to fraction form
53,759,366.20/80,639,340.90 = 13,369,850.20/x - Step 3: Cross multiply
53,759,366.20x = 80,639,340.90 × 13,369,850.20 - Step 4: Simplify right side
53,759,366.20x = 1,078,135,908,059,733.25 - Step 5: Solve for x
x = 1,078,135,908,059,733.25/53,759,366.20 - Step 6: Final answer
x = 20,054,847.82
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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.