Home / 129,027,280.60-193,540,920.90-118,725,635.80

Finding the Fourth Proportional to 129,027,280.60, 193,540,920.90 and 118,725,635.80

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Solution

The fourth proportional to 129,027,280.60, 193,540,920.90 and 118,725,635.80 is: 178,088,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,027,280.60 : 193,540,920.90 = 118,725,635.80 : x
  2. Step 2: Convert to fraction form
    129,027,280.60/193,540,920.90 = 118,725,635.80/x
  3. Step 3: Cross multiply
    129,027,280.60x = 193,540,920.90 × 118,725,635.80
  4. Step 4: Simplify right side
    129,027,280.60x = 22,978,268,887,170,008
  5. Step 5: Solve for x
    x = 22,978,268,887,170,008/129,027,280.60
  6. Step 6: Final answer
    x = 178,088,453.70

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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.