Finding the Fourth Proportional to 46,656,245.70, 69,984,368.55 and 45,660,917.70
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Solution
The fourth proportional to 46,656,245.70, 69,984,368.55 and 45,660,917.70 is: 68,491,376.55
Step by Step Solution
- Step 1: Write the proportion equation
46,656,245.70 : 69,984,368.55 = 45,660,917.70 : x - Step 2: Convert to fraction form
46,656,245.70/69,984,368.55 = 45,660,917.70/x - Step 3: Cross multiply
46,656,245.70x = 69,984,368.55 × 45,660,917.70 - Step 4: Simplify right side
46,656,245.70x = 3,195,550,492,648,018.50 - Step 5: Solve for x
x = 3,195,550,492,648,018.50/46,656,245.70 - Step 6: Final answer
x = 68,491,376.55
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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.