Home / 144,093,576.27-198,846,761.40-78,013,546.23

Finding the Fourth Proportional to 144,093,576.27, 198,846,761.40 and 78,013,546.23

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Solution

The fourth proportional to 144,093,576.27, 198,846,761.40 and 78,013,546.23 is: 107,657,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,093,576.27 : 198,846,761.40 = 78,013,546.23 : x
  2. Step 2: Convert to fraction form
    144,093,576.27/198,846,761.40 = 78,013,546.23/x
  3. Step 3: Cross multiply
    144,093,576.27x = 198,846,761.40 × 78,013,546.23
  4. Step 4: Simplify right side
    144,093,576.27x = 15,512,741,013,164,680
  5. Step 5: Solve for x
    x = 15,512,741,013,164,680/144,093,576.27
  6. Step 6: Final answer
    x = 107,657,408.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.