Home / 211,481,237.50-317,150,015.43-73,274,588.98

Finding the Fourth Proportional to 211,481,237.50, 317,150,015.43 and 73,274,588.98

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Solution

The fourth proportional to 211,481,237.50, 317,150,015.43 and 73,274,588.98 is: 109,886,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,481,237.50 : 317,150,015.43 = 73,274,588.98 : x
  2. Step 2: Convert to fraction form
    211,481,237.50/317,150,015.43 = 73,274,588.98/x
  3. Step 3: Cross multiply
    211,481,237.50x = 317,150,015.43 × 73,274,588.98
  4. Step 4: Simplify right side
    211,481,237.50x = 23,239,037,025,633,908
  5. Step 5: Solve for x
    x = 23,239,037,025,633,908/211,481,237.50
  6. Step 6: Final answer
    x = 109,886,991.87

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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.