Home / 218,305,967.48-326,936,918.40-125,909,585.32

Finding the Fourth Proportional to 218,305,967.48, 326,936,918.40 and 125,909,585.32

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Solution

The fourth proportional to 218,305,967.48, 326,936,918.40 and 125,909,585.32 is: 188,563,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,305,967.48 : 326,936,918.40 = 125,909,585.32 : x
  2. Step 2: Convert to fraction form
    218,305,967.48/326,936,918.40 = 125,909,585.32/x
  3. Step 3: Cross multiply
    218,305,967.48x = 326,936,918.40 × 125,909,585.32
  4. Step 4: Simplify right side
    218,305,967.48x = 41,164,491,821,542,672
  5. Step 5: Solve for x
    x = 41,164,491,821,542,672/218,305,967.48
  6. Step 6: Final answer
    x = 188,563,291.68

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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.