Home / 238,714,037.35-329,470,500.14-149,447,506.21

Finding the Fourth Proportional to 238,714,037.35, 329,470,500.14 and 149,447,506.21

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Solution

The fourth proportional to 238,714,037.35, 329,470,500.14 and 149,447,506.21 is: 206,265,811.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,714,037.35 : 329,470,500.14 = 149,447,506.21 : x
  2. Step 2: Convert to fraction form
    238,714,037.35/329,470,500.14 = 149,447,506.21/x
  3. Step 3: Cross multiply
    238,714,037.35x = 329,470,500.14 × 149,447,506.21
  4. Step 4: Simplify right side
    238,714,037.35x = 49,238,544,614,673,976
  5. Step 5: Solve for x
    x = 49,238,544,614,673,976/238,714,037.35
  6. Step 6: Final answer
    x = 206,265,811.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.