Home / 43,438,512.40-65,156,772.30-21,867,321.40

Finding the Fourth Proportional to 43,438,512.40, 65,156,772.30 and 21,867,321.40

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Solution

The fourth proportional to 43,438,512.40, 65,156,772.30 and 21,867,321.40 is: 32,800,480.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,438,512.40 : 65,156,772.30 = 21,867,321.40 : x
  2. Step 2: Convert to fraction form
    43,438,512.40/65,156,772.30 = 21,867,321.40/x
  3. Step 3: Cross multiply
    43,438,512.40x = 65,156,772.30 × 21,867,321.40
  4. Step 4: Simplify right side
    43,438,512.40x = 1,424,804,081,270,717
  5. Step 5: Solve for x
    x = 1,424,804,081,270,717/43,438,512.40
  6. Step 6: Final answer
    x = 32,800,480.55

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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.