Home / 140,781,013.20-211,003,558.20-126,336,315.60

Finding the Fourth Proportional to 140,781,013.20, 211,003,558.20 and 126,336,315.60

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Solution

The fourth proportional to 140,781,013.20, 211,003,558.20 and 126,336,315.60 is: 189,353,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,781,013.20 : 211,003,558.20 = 126,336,315.60 : x
  2. Step 2: Convert to fraction form
    140,781,013.20/211,003,558.20 = 126,336,315.60/x
  3. Step 3: Cross multiply
    140,781,013.20x = 211,003,558.20 × 126,336,315.60
  4. Step 4: Simplify right side
    140,781,013.20x = 26,657,412,121,478,164
  5. Step 5: Solve for x
    x = 26,657,412,121,478,164/140,781,013.20
  6. Step 6: Final answer
    x = 189,353,745.34

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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.