Finding the Fourth Proportional to 75,694,170.91, 104,457,939.76 and 40,886,861.70
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Solution
The fourth proportional to 75,694,170.91, 104,457,939.76 and 40,886,861.70 is: 56,423,860.44
Step by Step Solution
- Step 1: Write the proportion equation
75,694,170.91 : 104,457,939.76 = 40,886,861.70 : x - Step 2: Convert to fraction form
75,694,170.91/104,457,939.76 = 40,886,861.70/x - Step 3: Cross multiply
75,694,170.91x = 104,457,939.76 × 40,886,861.70 - Step 4: Simplify right side
75,694,170.91x = 4,270,957,335,995,670 - Step 5: Solve for x
x = 4,270,957,335,995,670/75,694,170.91 - Step 6: Final answer
x = 56,423,860.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.