Finding the Fourth Proportional to 79,682,450.41, 119,433,006.15 and 48,489,310.63
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Solution
The fourth proportional to 79,682,450.41, 119,433,006.15 and 48,489,310.63 is: 72,678,790.69
Step by Step Solution
- Step 1: Write the proportion equation
79,682,450.41 : 119,433,006.15 = 48,489,310.63 : x - Step 2: Convert to fraction form
79,682,450.41/119,433,006.15 = 48,489,310.63/x - Step 3: Cross multiply
79,682,450.41x = 119,433,006.15 × 48,489,310.63 - Step 4: Simplify right side
79,682,450.41x = 5,791,224,134,682,051 - Step 5: Solve for x
x = 5,791,224,134,682,051/79,682,450.41 - Step 6: Final answer
x = 72,678,790.69
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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.