Home / 129,027,261.60-193,540,892.40-118,725,616.80

Finding the Fourth Proportional to 129,027,261.60, 193,540,892.40 and 118,725,616.80

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Solution

The fourth proportional to 129,027,261.60, 193,540,892.40 and 118,725,616.80 is: 178,088,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,027,261.60 : 193,540,892.40 = 118,725,616.80 : x
  2. Step 2: Convert to fraction form
    129,027,261.60/193,540,892.40 = 118,725,616.80/x
  3. Step 3: Cross multiply
    129,027,261.60x = 193,540,892.40 × 118,725,616.80
  4. Step 4: Simplify right side
    129,027,261.60x = 22,978,261,826,212,432
  5. Step 5: Solve for x
    x = 22,978,261,826,212,432/129,027,261.60
  6. Step 6: Final answer
    x = 178,088,425.20

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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.