Home / 239,051,863.12-358,305,791.16-145,472,441.52

Finding the Fourth Proportional to 239,051,863.12, 358,305,791.16 and 145,472,441.52

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Solution

The fourth proportional to 239,051,863.12, 358,305,791.16 and 145,472,441.52 is: 218,043,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,051,863.12 : 358,305,791.16 = 145,472,441.52 : x
  2. Step 2: Convert to fraction form
    239,051,863.12/358,305,791.16 = 145,472,441.52/x
  3. Step 3: Cross multiply
    239,051,863.12x = 358,305,791.16 × 145,472,441.52
  4. Step 4: Simplify right side
    239,051,863.12x = 52,123,618,250,800,440
  5. Step 5: Solve for x
    x = 52,123,618,250,800,440/239,051,863.12
  6. Step 6: Final answer
    x = 218,043,137.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.