Home / 256,987,128.12-384,667,476.66-164,747,594.04

Finding the Fourth Proportional to 256,987,128.12, 384,667,476.66 and 164,747,594.04

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Solution

The fourth proportional to 256,987,128.12, 384,667,476.66 and 164,747,594.04 is: 246,600,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,987,128.12 : 384,667,476.66 = 164,747,594.04 : x
  2. Step 2: Convert to fraction form
    256,987,128.12/384,667,476.66 = 164,747,594.04/x
  3. Step 3: Cross multiply
    256,987,128.12x = 384,667,476.66 × 164,747,594.04
  4. Step 4: Simplify right side
    256,987,128.12x = 63,373,041,285,172,856
  5. Step 5: Solve for x
    x = 63,373,041,285,172,856/256,987,128.12
  6. Step 6: Final answer
    x = 246,600,060.28

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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.