Finding the Fourth Proportional to 239,565,768.24, 330,601,756.41 and 129,557,481.24
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Solution
The fourth proportional to 239,565,768.24, 330,601,756.41 and 129,557,481.24 is: 178,789,862.88
Step by Step Solution
- Step 1: Write the proportion equation
239,565,768.24 : 330,601,756.41 = 129,557,481.24 : x - Step 2: Convert to fraction form
239,565,768.24/330,601,756.41 = 129,557,481.24/x - Step 3: Cross multiply
239,565,768.24x = 330,601,756.41 × 129,557,481.24 - Step 4: Simplify right side
239,565,768.24x = 42,831,930,853,999,624 - Step 5: Solve for x
x = 42,831,930,853,999,624/239,565,768.24 - Step 6: Final answer
x = 178,789,862.88
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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.