Home / 204,099,420.40-306,149,130.60-74,664,012.40

Finding the Fourth Proportional to 204,099,420.40, 306,149,130.60 and 74,664,012.40

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Solution

The fourth proportional to 204,099,420.40, 306,149,130.60 and 74,664,012.40 is: 111,996,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,099,420.40 : 306,149,130.60 = 74,664,012.40 : x
  2. Step 2: Convert to fraction form
    204,099,420.40/306,149,130.60 = 74,664,012.40/x
  3. Step 3: Cross multiply
    204,099,420.40x = 306,149,130.60 × 74,664,012.40
  4. Step 4: Simplify right side
    204,099,420.40x = 22,858,322,483,367,624
  5. Step 5: Solve for x
    x = 22,858,322,483,367,624/204,099,420.40
  6. Step 6: Final answer
    x = 111,996,018.60

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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.