Home / 213,124,924.28-294,112,391.92-115,339,780.28

Finding the Fourth Proportional to 213,124,924.28, 294,112,391.92 and 115,339,780.28

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Solution

The fourth proportional to 213,124,924.28, 294,112,391.92 and 115,339,780.28 is: 159,168,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,124,924.28 : 294,112,391.92 = 115,339,780.28 : x
  2. Step 2: Convert to fraction form
    213,124,924.28/294,112,391.92 = 115,339,780.28/x
  3. Step 3: Cross multiply
    213,124,924.28x = 294,112,391.92 × 115,339,780.28
  4. Step 4: Simplify right side
    213,124,924.28x = 33,922,858,661,678,048
  5. Step 5: Solve for x
    x = 33,922,858,661,678,048/213,124,924.28
  6. Step 6: Final answer
    x = 159,168,894.85

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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.