Finding the Fourth Proportional to 126,418,163.58, 189,627,489.30 and 48,731,651.10
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Solution
The fourth proportional to 126,418,163.58, 189,627,489.30 and 48,731,651.10 is: 73,097,570.68
Step by Step Solution
- Step 1: Write the proportion equation
126,418,163.58 : 189,627,489.30 = 48,731,651.10 : x - Step 2: Convert to fraction form
126,418,163.58/189,627,489.30 = 48,731,651.10/x - Step 3: Cross multiply
126,418,163.58x = 189,627,489.30 × 48,731,651.10 - Step 4: Simplify right side
126,418,163.58x = 9,240,860,647,536,584 - Step 5: Solve for x
x = 9,240,860,647,536,584/126,418,163.58 - Step 6: Final answer
x = 73,097,570.68
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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.