Home / 201,011,489.10-301,517,233.65-71,765,037.90

Finding the Fourth Proportional to 201,011,489.10, 301,517,233.65 and 71,765,037.90

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Solution

The fourth proportional to 201,011,489.10, 301,517,233.65 and 71,765,037.90 is: 107,647,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,011,489.10 : 301,517,233.65 = 71,765,037.90 : x
  2. Step 2: Convert to fraction form
    201,011,489.10/301,517,233.65 = 71,765,037.90/x
  3. Step 3: Cross multiply
    201,011,489.10x = 301,517,233.65 × 71,765,037.90
  4. Step 4: Simplify right side
    201,011,489.10x = 21,638,395,700,395,404
  5. Step 5: Solve for x
    x = 21,638,395,700,395,404/201,011,489.10
  6. Step 6: Final answer
    x = 107,647,556.85

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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.