Home / 43,704,659.60-65,556,989.40-21,029,843.60

Finding the Fourth Proportional to 43,704,659.60, 65,556,989.40 and 21,029,843.60

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Solution

The fourth proportional to 43,704,659.60, 65,556,989.40 and 21,029,843.60 is: 31,544,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,704,659.60 : 65,556,989.40 = 21,029,843.60 : x
  2. Step 2: Convert to fraction form
    43,704,659.60/65,556,989.40 = 21,029,843.60/x
  3. Step 3: Cross multiply
    43,704,659.60x = 65,556,989.40 × 21,029,843.60
  4. Step 4: Simplify right side
    43,704,659.60x = 1,378,653,233,968,858
  5. Step 5: Solve for x
    x = 1,378,653,233,968,858/43,704,659.60
  6. Step 6: Final answer
    x = 31,544,765.40

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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.