Finding the Fourth Proportional to 80,874,314.80, 121,311,472.20 and 50,263,313.20
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Solution
The fourth proportional to 80,874,314.80, 121,311,472.20 and 50,263,313.20 is: 75,394,969.80
Step by Step Solution
- Step 1: Write the proportion equation
80,874,314.80 : 121,311,472.20 = 50,263,313.20 : x - Step 2: Convert to fraction form
80,874,314.80/121,311,472.20 = 50,263,313.20/x - Step 3: Cross multiply
80,874,314.80x = 121,311,472.20 × 50,263,313.20 - Step 4: Simplify right side
80,874,314.80x = 6,097,516,521,941,694 - Step 5: Solve for x
x = 6,097,516,521,941,694/80,874,314.80 - Step 6: Final answer
x = 75,394,969.80
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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.