Home / 201,112,954.40-301,669,431.60-109,279,949.60

Finding the Fourth Proportional to 201,112,954.40, 301,669,431.60 and 109,279,949.60

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Solution

The fourth proportional to 201,112,954.40, 301,669,431.60 and 109,279,949.60 is: 163,919,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,112,954.40 : 301,669,431.60 = 109,279,949.60 : x
  2. Step 2: Convert to fraction form
    201,112,954.40/301,669,431.60 = 109,279,949.60/x
  3. Step 3: Cross multiply
    201,112,954.40x = 301,669,431.60 × 109,279,949.60
  4. Step 4: Simplify right side
    201,112,954.40x = 32,966,420,281,108,648
  5. Step 5: Solve for x
    x = 32,966,420,281,108,648/201,112,954.40
  6. Step 6: Final answer
    x = 163,919,924.40

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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.