Home / 149,268,287.20-224,001,963.60-68,447,653.60

Finding the Fourth Proportional to 149,268,287.20, 224,001,963.60 and 68,447,653.60

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Solution

The fourth proportional to 149,268,287.20, 224,001,963.60 and 68,447,653.60 is: 102,717,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,268,287.20 : 224,001,963.60 = 68,447,653.60 : x
  2. Step 2: Convert to fraction form
    149,268,287.20/224,001,963.60 = 68,447,653.60/x
  3. Step 3: Cross multiply
    149,268,287.20x = 224,001,963.60 × 68,447,653.60
  4. Step 4: Simplify right side
    149,268,287.20x = 15,332,408,810,212,608
  5. Step 5: Solve for x
    x = 15,332,408,810,212,608/149,268,287.20
  6. Step 6: Final answer
    x = 102,717,121.62

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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.