Home / 256,987,134.12-384,667,485.66-164,747,600.04

Finding the Fourth Proportional to 256,987,134.12, 384,667,485.66 and 164,747,600.04

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Solution

The fourth proportional to 256,987,134.12, 384,667,485.66 and 164,747,600.04 is: 246,600,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,987,134.12 : 384,667,485.66 = 164,747,600.04 : x
  2. Step 2: Convert to fraction form
    256,987,134.12/384,667,485.66 = 164,747,600.04/x
  3. Step 3: Cross multiply
    256,987,134.12x = 384,667,485.66 × 164,747,600.04
  4. Step 4: Simplify right side
    256,987,134.12x = 63,373,045,075,906,120
  5. Step 5: Solve for x
    x = 63,373,045,075,906,120/256,987,134.12
  6. Step 6: Final answer
    x = 246,600,069.27

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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.