Home / 135,511,288.51-203,271,318.39-64,510,660.20

Finding the Fourth Proportional to 135,511,288.51, 203,271,318.39 and 64,510,660.20

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Solution

The fourth proportional to 135,511,288.51, 203,271,318.39 and 64,510,660.20 is: 96,768,078.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,511,288.51 : 203,271,318.39 = 64,510,660.20 : x
  2. Step 2: Convert to fraction form
    135,511,288.51/203,271,318.39 = 64,510,660.20/x
  3. Step 3: Cross multiply
    135,511,288.51x = 203,271,318.39 × 64,510,660.20
  4. Step 4: Simplify right side
    135,511,288.51x = 13,113,166,948,531,120
  5. Step 5: Solve for x
    x = 13,113,166,948,531,120/135,511,288.51
  6. Step 6: Final answer
    x = 96,768,078.09

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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.