Finding the Fourth Proportional to 185,469,724.60, 278,204,586.90 and 64,313,423.80
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Solution
The fourth proportional to 185,469,724.60, 278,204,586.90 and 64,313,423.80 is: 96,470,135.70
Step by Step Solution
- Step 1: Write the proportion equation
185,469,724.60 : 278,204,586.90 = 64,313,423.80 : x - Step 2: Convert to fraction form
185,469,724.60/278,204,586.90 = 64,313,423.80/x - Step 3: Cross multiply
185,469,724.60x = 278,204,586.90 × 64,313,423.80 - Step 4: Simplify right side
185,469,724.60x = 17,892,289,500,403,626 - Step 5: Solve for x
x = 17,892,289,500,403,626/185,469,724.60 - Step 6: Final answer
x = 96,470,135.70
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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.