Home / 256,183,136.43-384,298,327.89-83,660,854.11

Finding the Fourth Proportional to 256,183,136.43, 384,298,327.89 and 83,660,854.11

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Solution

The fourth proportional to 256,183,136.43, 384,298,327.89 and 83,660,854.11 is: 125,498,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,183,136.43 : 384,298,327.89 = 83,660,854.11 : x
  2. Step 2: Convert to fraction form
    256,183,136.43/384,298,327.89 = 83,660,854.11/x
  3. Step 3: Cross multiply
    256,183,136.43x = 384,298,327.89 × 83,660,854.11
  4. Step 4: Simplify right side
    256,183,136.43x = 32,150,726,344,322,232
  5. Step 5: Solve for x
    x = 32,150,726,344,322,232/256,183,136.43
  6. Step 6: Final answer
    x = 125,498,995.73

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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.