Home / 268,937,982.39-371,305,774.96-219,496,291.60

Finding the Fourth Proportional to 268,937,982.39, 371,305,774.96 and 219,496,291.60

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Solution

The fourth proportional to 268,937,982.39, 371,305,774.96 and 219,496,291.60 is: 303,044,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,937,982.39 : 371,305,774.96 = 219,496,291.60 : x
  2. Step 2: Convert to fraction form
    268,937,982.39/371,305,774.96 = 219,496,291.60/x
  3. Step 3: Cross multiply
    268,937,982.39x = 371,305,774.96 × 219,496,291.60
  4. Step 4: Simplify right side
    268,937,982.39x = 81,500,240,653,315,216
  5. Step 5: Solve for x
    x = 81,500,240,653,315,216/268,937,982.39
  6. Step 6: Final answer
    x = 303,044,738.90

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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.