Finding the Fourth Proportional to 100,662,855.96, 138,912,563.16 and 58,278,202.54
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Solution
The fourth proportional to 100,662,855.96, 138,912,563.16 and 58,278,202.54 is: 80,422,658.53
Step by Step Solution
- Step 1: Write the proportion equation
100,662,855.96 : 138,912,563.16 = 58,278,202.54 : x - Step 2: Convert to fraction form
100,662,855.96/138,912,563.16 = 58,278,202.54/x - Step 3: Cross multiply
100,662,855.96x = 138,912,563.16 × 58,278,202.54 - Step 4: Simplify right side
100,662,855.96x = 8,095,574,491,189,022 - Step 5: Solve for x
x = 8,095,574,491,189,022/100,662,855.96 - Step 6: Final answer
x = 80,422,658.53
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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.