Home / 211,481,237-317,150,014.68-73,274,588.48

Finding the Fourth Proportional to 211,481,237, 317,150,014.68 and 73,274,588.48

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Solution

The fourth proportional to 211,481,237, 317,150,014.68 and 73,274,588.48 is: 109,886,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,481,237 : 317,150,014.68 = 73,274,588.48 : x
  2. Step 2: Convert to fraction form
    211,481,237/317,150,014.68 = 73,274,588.48/x
  3. Step 3: Cross multiply
    211,481,237x = 317,150,014.68 × 73,274,588.48
  4. Step 4: Simplify right side
    211,481,237x = 23,239,036,812,102,960
  5. Step 5: Solve for x
    x = 23,239,036,812,102,960/211,481,237
  6. Step 6: Final answer
    x = 109,886,991.12

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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.