Finding the Fourth Proportional to 89,629,772.70, 134,444,659.05 and 44,280,140.70
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Solution
The fourth proportional to 89,629,772.70, 134,444,659.05 and 44,280,140.70 is: 66,420,211.05
Step by Step Solution
- Step 1: Write the proportion equation
89,629,772.70 : 134,444,659.05 = 44,280,140.70 : x - Step 2: Convert to fraction form
89,629,772.70/134,444,659.05 = 44,280,140.70/x - Step 3: Cross multiply
89,629,772.70x = 134,444,659.05 × 44,280,140.70 - Step 4: Simplify right side
89,629,772.70x = 5,953,228,419,097,529 - Step 5: Solve for x
x = 5,953,228,419,097,529/89,629,772.70 - Step 6: Final answer
x = 66,420,211.05
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Double scale
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Similar ratio
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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.