Home / 213,726,051.40-294,942,517.86-115,940,907.40

Finding the Fourth Proportional to 213,726,051.40, 294,942,517.86 and 115,940,907.40

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Solution

The fourth proportional to 213,726,051.40, 294,942,517.86 and 115,940,907.40 is: 159,998,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,726,051.40 : 294,942,517.86 = 115,940,907.40 : x
  2. Step 2: Convert to fraction form
    213,726,051.40/294,942,517.86 = 115,940,907.40/x
  3. Step 3: Cross multiply
    213,726,051.40x = 294,942,517.86 × 115,940,907.40
  4. Step 4: Simplify right side
    213,726,051.40x = 34,195,903,151,529,108
  5. Step 5: Solve for x
    x = 34,195,903,151,529,108/213,726,051.40
  6. Step 6: Final answer
    x = 159,998,759.76

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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.