Finding the Fourth Proportional to 71,523,795.06, 98,737,826.58 and 47,993,913.09
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Solution
The fourth proportional to 71,523,795.06, 98,737,826.58 and 47,993,913.09 is: 66,255,078.66
Step by Step Solution
- Step 1: Write the proportion equation
71,523,795.06 : 98,737,826.58 = 47,993,913.09 : x - Step 2: Convert to fraction form
71,523,795.06/98,737,826.58 = 47,993,913.09/x - Step 3: Cross multiply
71,523,795.06x = 98,737,826.58 × 47,993,913.09 - Step 4: Simplify right side
71,523,795.06x = 4,738,814,667,576,012 - Step 5: Solve for x
x = 4,738,814,667,576,012/71,523,795.06 - Step 6: Final answer
x = 66,255,078.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.