Finding the Fourth Proportional to 276,737,992.55, 415,394,212.09 and 160,380,687.81
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Solution
The fourth proportional to 276,737,992.55, 415,394,212.09 and 160,380,687.81 is: 240,737,489.04
Step by Step Solution
- Step 1: Write the proportion equation
276,737,992.55 : 415,394,212.09 = 160,380,687.81 : x - Step 2: Convert to fraction form
276,737,992.55/415,394,212.09 = 160,380,687.81/x - Step 3: Cross multiply
276,737,992.55x = 415,394,212.09 × 160,380,687.81 - Step 4: Simplify right side
276,737,992.55x = 66,621,209,447,287,216 - Step 5: Solve for x
x = 66,621,209,447,287,216/276,737,992.55 - Step 6: Final answer
x = 240,737,489.04
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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.