Home / 217,320,739.60-325,996,855.80-130,873,003.60

Finding the Fourth Proportional to 217,320,739.60, 325,996,855.80 and 130,873,003.60

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Solution

The fourth proportional to 217,320,739.60, 325,996,855.80 and 130,873,003.60 is: 196,318,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,320,739.60 : 325,996,855.80 = 130,873,003.60 : x
  2. Step 2: Convert to fraction form
    217,320,739.60/325,996,855.80 = 130,873,003.60/x
  3. Step 3: Cross multiply
    217,320,739.60x = 325,996,855.80 × 130,873,003.60
  4. Step 4: Simplify right side
    217,320,739.60x = 42,664,187,682,702,080
  5. Step 5: Solve for x
    x = 42,664,187,682,702,080/217,320,739.60
  6. Step 6: Final answer
    x = 196,318,988.06

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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.