Home / 213,198,450.60-294,214,800.78-115,413,306.60

Finding the Fourth Proportional to 213,198,450.60, 294,214,800.78 and 115,413,306.60

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Solution

The fourth proportional to 213,198,450.60, 294,214,800.78 and 115,413,306.60 is: 159,270,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,198,450.60 : 294,214,800.78 = 115,413,306.60 : x
  2. Step 2: Convert to fraction form
    213,198,450.60/294,214,800.78 = 115,413,306.60/x
  3. Step 3: Cross multiply
    213,198,450.60x = 294,214,800.78 × 115,413,306.60
  4. Step 4: Simplify right side
    213,198,450.60x = 33,956,303,008,680,056
  5. Step 5: Solve for x
    x = 33,956,303,008,680,056/213,198,450.60
  6. Step 6: Final answer
    x = 159,270,871.40

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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.