Home / 213,124,936.28-294,112,408.50-115,339,792.28

Finding the Fourth Proportional to 213,124,936.28, 294,112,408.50 and 115,339,792.28

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Solution

The fourth proportional to 213,124,936.28, 294,112,408.50 and 115,339,792.28 is: 159,168,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,124,936.28 : 294,112,408.50 = 115,339,792.28 : x
  2. Step 2: Convert to fraction form
    213,124,936.28/294,112,408.50 = 115,339,792.28/x
  3. Step 3: Cross multiply
    213,124,936.28x = 294,112,408.50 × 115,339,792.28
  4. Step 4: Simplify right side
    213,124,936.28x = 33,922,864,103,360,508
  5. Step 5: Solve for x
    x = 33,922,864,103,360,508/213,124,936.28
  6. Step 6: Final answer
    x = 159,168,911.42

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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.