Home / 267,048,720.20-400,519,936.20-128,874,060.20

Finding the Fourth Proportional to 267,048,720.20, 400,519,936.20 and 128,874,060.20

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Solution

The fourth proportional to 267,048,720.20, 400,519,936.20 and 128,874,060.20 is: 193,285,443.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,048,720.20 : 400,519,936.20 = 128,874,060.20 : x
  2. Step 2: Convert to fraction form
    267,048,720.20/400,519,936.20 = 128,874,060.20/x
  3. Step 3: Cross multiply
    267,048,720.20x = 400,519,936.20 × 128,874,060.20
  4. Step 4: Simplify right side
    267,048,720.20x = 51,616,630,369,138,960
  5. Step 5: Solve for x
    x = 51,616,630,369,138,960/267,048,720.20
  6. Step 6: Final answer
    x = 193,285,443.68

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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.