Finding the Fourth Proportional to 67,286,699.22, 100,928,600.36 and 18,763,261.14
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Solution
The fourth proportional to 67,286,699.22, 100,928,600.36 and 18,763,261.14 is: 28,144,487.80
Step by Step Solution
- Step 1: Write the proportion equation
67,286,699.22 : 100,928,600.36 = 18,763,261.14 : x - Step 2: Convert to fraction form
67,286,699.22/100,928,600.36 = 18,763,261.14/x - Step 3: Cross multiply
67,286,699.22x = 100,928,600.36 × 18,763,261.14 - Step 4: Simplify right side
67,286,699.22x = 1,893,749,685,049,378 - Step 5: Solve for x
x = 1,893,749,685,049,378/67,286,699.22 - Step 6: Final answer
x = 28,144,487.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.