Home / 322,080,480.40-483,120,720.60-79,743,387.28

Finding the Fourth Proportional to 322,080,480.40, 483,120,720.60 and 79,743,387.28

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Solution

The fourth proportional to 322,080,480.40, 483,120,720.60 and 79,743,387.28 is: 119,615,080.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,080,480.40 : 483,120,720.60 = 79,743,387.28 : x
  2. Step 2: Convert to fraction form
    322,080,480.40/483,120,720.60 = 79,743,387.28/x
  3. Step 3: Cross multiply
    322,080,480.40x = 483,120,720.60 × 79,743,387.28
  4. Step 4: Simplify right side
    322,080,480.40x = 38,525,682,725,798,480
  5. Step 5: Solve for x
    x = 38,525,682,725,798,480/322,080,480.40
  6. Step 6: Final answer
    x = 119,615,080.92

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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.