Finding the Fourth Proportional to 45,482,491.90, 68,223,737.85 and 44,286,749.65
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Solution
The fourth proportional to 45,482,491.90, 68,223,737.85 and 44,286,749.65 is: 66,430,124.48
Step by Step Solution
- Step 1: Write the proportion equation
45,482,491.90 : 68,223,737.85 = 44,286,749.65 : x - Step 2: Convert to fraction form
45,482,491.90/68,223,737.85 = 44,286,749.65/x - Step 3: Cross multiply
45,482,491.90x = 68,223,737.85 × 44,286,749.65 - Step 4: Simplify right side
45,482,491.90x = 3,021,407,598,350,179 - Step 5: Solve for x
x = 3,021,407,598,350,179/45,482,491.90 - Step 6: Final answer
x = 66,430,124.48
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1.5x scale
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.