Finding the Fourth Proportional to 66,311,457.66, 91,512,636.30 and 36,942,774.12
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Solution
The fourth proportional to 66,311,457.66, 91,512,636.30 and 36,942,774.12 is: 50,982,601.97
Step by Step Solution
- Step 1: Write the proportion equation
66,311,457.66 : 91,512,636.30 = 36,942,774.12 : x - Step 2: Convert to fraction form
66,311,457.66/91,512,636.30 = 36,942,774.12/x - Step 3: Cross multiply
66,311,457.66x = 91,512,636.30 × 36,942,774.12 - Step 4: Simplify right side
66,311,457.66x = 3,380,730,651,956,612 - Step 5: Solve for x
x = 3,380,730,651,956,612/66,311,457.66 - Step 6: Final answer
x = 50,982,601.97
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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.