Finding the Fourth Proportional to 69,791,471.67, 104,638,728.55 and 30,908,735.49
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Solution
The fourth proportional to 69,791,471.67, 104,638,728.55 and 30,908,735.49 is: 46,341,633.23
Step by Step Solution
- Step 1: Write the proportion equation
69,791,471.67 : 104,638,728.55 = 30,908,735.49 : x - Step 2: Convert to fraction form
69,791,471.67/104,638,728.55 = 30,908,735.49/x - Step 3: Cross multiply
69,791,471.67x = 104,638,728.55 × 30,908,735.49 - Step 4: Simplify right side
69,791,471.67x = 3,234,250,782,761,861 - Step 5: Solve for x
x = 3,234,250,782,761,861/69,791,471.67 - Step 6: Final answer
x = 46,341,633.23
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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.