Home / 383,142,825.20-574,798,218.60-124,313,999.60

Finding the Fourth Proportional to 383,142,825.20, 574,798,218.60 and 124,313,999.60

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Solution

The fourth proportional to 383,142,825.20, 574,798,218.60 and 124,313,999.60 is: 186,498,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,142,825.20 : 574,798,218.60 = 124,313,999.60 : x
  2. Step 2: Convert to fraction form
    383,142,825.20/574,798,218.60 = 124,313,999.60/x
  3. Step 3: Cross multiply
    383,142,825.20x = 574,798,218.60 × 124,313,999.60
  4. Step 4: Simplify right side
    383,142,825.20x = 71,455,465,517,121,112
  5. Step 5: Solve for x
    x = 71,455,465,517,121,112/383,142,825.20
  6. Step 6: Final answer
    x = 186,498,247.70

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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.