Finding the Fourth Proportional to 180,245,425.80, 270,368,138.70 and 119,661,151.80
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Solution
The fourth proportional to 180,245,425.80, 270,368,138.70 and 119,661,151.80 is: 179,491,727.70
Step by Step Solution
- Step 1: Write the proportion equation
180,245,425.80 : 270,368,138.70 = 119,661,151.80 : x - Step 2: Convert to fraction form
180,245,425.80/270,368,138.70 = 119,661,151.80/x - Step 3: Cross multiply
180,245,425.80x = 270,368,138.70 × 119,661,151.80 - Step 4: Simplify right side
180,245,425.80x = 32,352,562,886,864,152 - Step 5: Solve for x
x = 32,352,562,886,864,152/180,245,425.80 - Step 6: Final answer
x = 179,491,727.70
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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.