Home / 129,027,260.10-193,540,890.15-118,725,615.30

Finding the Fourth Proportional to 129,027,260.10, 193,540,890.15 and 118,725,615.30

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Solution

The fourth proportional to 129,027,260.10, 193,540,890.15 and 118,725,615.30 is: 178,088,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,027,260.10 : 193,540,890.15 = 118,725,615.30 : x
  2. Step 2: Convert to fraction form
    129,027,260.10/193,540,890.15 = 118,725,615.30/x
  3. Step 3: Cross multiply
    129,027,260.10x = 193,540,890.15 × 118,725,615.30
  4. Step 4: Simplify right side
    129,027,260.10x = 22,978,261,268,768,460
  5. Step 5: Solve for x
    x = 22,978,261,268,768,460/129,027,260.10
  6. Step 6: Final answer
    x = 178,088,422.95

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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.