Finding the Fourth Proportional to 134,784,015.70, 202,176,023.55 and 131,004,879.70
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Solution
The fourth proportional to 134,784,015.70, 202,176,023.55 and 131,004,879.70 is: 196,507,319.55
Step by Step Solution
- Step 1: Write the proportion equation
134,784,015.70 : 202,176,023.55 = 131,004,879.70 : x - Step 2: Convert to fraction form
134,784,015.70/202,176,023.55 = 131,004,879.70/x - Step 3: Cross multiply
134,784,015.70x = 202,176,023.55 × 131,004,879.70 - Step 4: Simplify right side
134,784,015.70x = 26,486,045,643,392,120 - Step 5: Solve for x
x = 26,486,045,643,392,120/134,784,015.70 - Step 6: Final answer
x = 196,507,319.55
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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.