Home / 213,325,738.16-294,388,147.32-120,536,285.36

Finding the Fourth Proportional to 213,325,738.16, 294,388,147.32 and 120,536,285.36

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Solution

The fourth proportional to 213,325,738.16, 294,388,147.32 and 120,536,285.36 is: 166,339,298.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,325,738.16 : 294,388,147.32 = 120,536,285.36 : x
  2. Step 2: Convert to fraction form
    213,325,738.16/294,388,147.32 = 120,536,285.36/x
  3. Step 3: Cross multiply
    213,325,738.16x = 294,388,147.32 × 120,536,285.36
  4. Step 4: Simplify right side
    213,325,738.16x = 35,484,453,731,965,240
  5. Step 5: Solve for x
    x = 35,484,453,731,965,240/213,325,738.16
  6. Step 6: Final answer
    x = 166,339,298.94

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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.