Home / 268,646,983.30-402,298,628.55-214,899,271.30

Finding the Fourth Proportional to 268,646,983.30, 402,298,628.55 and 214,899,271.30

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Solution

The fourth proportional to 268,646,983.30, 402,298,628.55 and 214,899,271.30 is: 321,811,475.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,646,983.30 : 402,298,628.55 = 214,899,271.30 : x
  2. Step 2: Convert to fraction form
    268,646,983.30/402,298,628.55 = 214,899,271.30/x
  3. Step 3: Cross multiply
    268,646,983.30x = 402,298,628.55 × 214,899,271.30
  4. Step 4: Simplify right side
    268,646,983.30x = 86,453,682,120,384,384
  5. Step 5: Solve for x
    x = 86,453,682,120,384,384/268,646,983.30
  6. Step 6: Final answer
    x = 321,811,475.63

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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.