Finding the Fourth Proportional to 71,984,403.73, 108,037,163.69 and 67,444,314.75
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Solution
The fourth proportional to 71,984,403.73, 108,037,163.69 and 67,444,314.75 is: 101,223,210.79
Step by Step Solution
- Step 1: Write the proportion equation
71,984,403.73 : 108,037,163.69 = 67,444,314.75 : x - Step 2: Convert to fraction form
71,984,403.73/108,037,163.69 = 67,444,314.75/x - Step 3: Cross multiply
71,984,403.73x = 108,037,163.69 × 67,444,314.75 - Step 4: Simplify right side
71,984,403.73x = 7,286,492,472,605,631 - Step 5: Solve for x
x = 7,286,492,472,605,631/71,984,403.73 - Step 6: Final answer
x = 101,223,210.79
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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.