Home / 54,405,306.40-81,607,959.60-20,322,223.60

Finding the Fourth Proportional to 54,405,306.40, 81,607,959.60 and 20,322,223.60

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Solution

The fourth proportional to 54,405,306.40, 81,607,959.60 and 20,322,223.60 is: 30,483,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,405,306.40 : 81,607,959.60 = 20,322,223.60 : x
  2. Step 2: Convert to fraction form
    54,405,306.40/81,607,959.60 = 20,322,223.60/x
  3. Step 3: Cross multiply
    54,405,306.40x = 81,607,959.60 × 20,322,223.60
  4. Step 4: Simplify right side
    54,405,306.40x = 1,658,455,202,530,966.50
  5. Step 5: Solve for x
    x = 1,658,455,202,530,966.50/54,405,306.40
  6. Step 6: Final answer
    x = 30,483,335.40

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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.