Home / 300,562,441.38-450,529,029.12-125,785,618.92

Finding the Fourth Proportional to 300,562,441.38, 450,529,029.12 and 125,785,618.92

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Solution

The fourth proportional to 300,562,441.38, 450,529,029.12 and 125,785,618.92 is: 188,546,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,562,441.38 : 450,529,029.12 = 125,785,618.92 : x
  2. Step 2: Convert to fraction form
    300,562,441.38/450,529,029.12 = 125,785,618.92/x
  3. Step 3: Cross multiply
    300,562,441.38x = 450,529,029.12 × 125,785,618.92
  4. Step 4: Simplify right side
    300,562,441.38x = 56,670,072,769,285,904
  5. Step 5: Solve for x
    x = 56,670,072,769,285,904/300,562,441.38
  6. Step 6: Final answer
    x = 188,546,754.24

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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.