Home / 291,575,822.50-402,383,033.14-161,204,028.58

Finding the Fourth Proportional to 291,575,822.50, 402,383,033.14 and 161,204,028.58

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Solution

The fourth proportional to 291,575,822.50, 402,383,033.14 and 161,204,028.58 is: 222,466,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,575,822.50 : 402,383,033.14 = 161,204,028.58 : x
  2. Step 2: Convert to fraction form
    291,575,822.50/402,383,033.14 = 161,204,028.58/x
  3. Step 3: Cross multiply
    291,575,822.50x = 402,383,033.14 × 161,204,028.58
  4. Step 4: Simplify right side
    291,575,822.50x = 64,865,765,974,407,648
  5. Step 5: Solve for x
    x = 64,865,765,974,407,648/291,575,822.50
  6. Step 6: Final answer
    x = 222,466,202.51

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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.