Finding the Fourth Proportional to 80,246,010.12, 110,737,620.21 and 47,208,386.49
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Solution
The fourth proportional to 80,246,010.12, 110,737,620.21 and 47,208,386.49 is: 65,146,471.03
Step by Step Solution
- Step 1: Write the proportion equation
80,246,010.12 : 110,737,620.21 = 47,208,386.49 : x - Step 2: Convert to fraction form
80,246,010.12/110,737,620.21 = 47,208,386.49/x - Step 3: Cross multiply
80,246,010.12x = 110,737,620.21 × 47,208,386.49 - Step 4: Simplify right side
80,246,010.12x = 5,227,744,373,856,515 - Step 5: Solve for x
x = 5,227,744,373,856,515/80,246,010.12 - Step 6: Final answer
x = 65,146,471.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.