Home / 260,915,826.94-360,064,072.83-143,443,155.85

Finding the Fourth Proportional to 260,915,826.94, 360,064,072.83 and 143,443,155.85

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Solution

The fourth proportional to 260,915,826.94, 360,064,072.83 and 143,443,155.85 is: 197,951,682.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,915,826.94 : 360,064,072.83 = 143,443,155.85 : x
  2. Step 2: Convert to fraction form
    260,915,826.94/360,064,072.83 = 143,443,155.85/x
  3. Step 3: Cross multiply
    260,915,826.94x = 360,064,072.83 × 143,443,155.85
  4. Step 4: Simplify right side
    260,915,826.94x = 51,648,726,914,939,440
  5. Step 5: Solve for x
    x = 51,648,726,914,939,440/260,915,826.94
  6. Step 6: Final answer
    x = 197,951,682.43

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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.