Home / 47,954,145.60-71,931,218.40-21,027,801.60

Finding the Fourth Proportional to 47,954,145.60, 71,931,218.40 and 21,027,801.60

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Solution

The fourth proportional to 47,954,145.60, 71,931,218.40 and 21,027,801.60 is: 31,541,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,954,145.60 : 71,931,218.40 = 21,027,801.60 : x
  2. Step 2: Convert to fraction form
    47,954,145.60/71,931,218.40 = 21,027,801.60/x
  3. Step 3: Cross multiply
    47,954,145.60x = 71,931,218.40 × 21,027,801.60
  4. Step 4: Simplify right side
    47,954,145.60x = 1,512,555,389,361,469.75
  5. Step 5: Solve for x
    x = 1,512,555,389,361,469.75/47,954,145.60
  6. Step 6: Final answer
    x = 31,541,702.40

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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.