Home / 144,093,563.48-198,846,743.84-78,013,533.44

Finding the Fourth Proportional to 144,093,563.48, 198,846,743.84 and 78,013,533.44

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Solution

The fourth proportional to 144,093,563.48, 198,846,743.84 and 78,013,533.44 is: 107,657,390.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,093,563.48 : 198,846,743.84 = 78,013,533.44 : x
  2. Step 2: Convert to fraction form
    144,093,563.48/198,846,743.84 = 78,013,533.44/x
  3. Step 3: Cross multiply
    144,093,563.48x = 198,846,743.84 × 78,013,533.44
  4. Step 4: Simplify right side
    144,093,563.48x = 15,512,737,099,996,954
  5. Step 5: Solve for x
    x = 15,512,737,099,996,954/144,093,563.48
  6. Step 6: Final answer
    x = 107,657,390.97

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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.