Home / 202,462,518.56-279,396,815.20-109,640,873.12

Finding the Fourth Proportional to 202,462,518.56, 279,396,815.20 and 109,640,873.12

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Solution

The fourth proportional to 202,462,518.56, 279,396,815.20 and 109,640,873.12 is: 151,303,614.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,462,518.56 : 279,396,815.20 = 109,640,873.12 : x
  2. Step 2: Convert to fraction form
    202,462,518.56/279,396,815.20 = 109,640,873.12/x
  3. Step 3: Cross multiply
    202,462,518.56x = 279,396,815.20 × 109,640,873.12
  4. Step 4: Simplify right side
    202,462,518.56x = 30,633,310,765,475,288
  5. Step 5: Solve for x
    x = 30,633,310,765,475,288/202,462,518.56
  6. Step 6: Final answer
    x = 151,303,614.04

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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.