Home / 126,196,138.76-189,275,263.32-39,923,335.64

Finding the Fourth Proportional to 126,196,138.76, 189,275,263.32 and 39,923,335.64

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Solution

The fourth proportional to 126,196,138.76, 189,275,263.32 and 39,923,335.64 is: 59,879,010.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,196,138.76 : 189,275,263.32 = 39,923,335.64 : x
  2. Step 2: Convert to fraction form
    126,196,138.76/189,275,263.32 = 39,923,335.64/x
  3. Step 3: Cross multiply
    126,196,138.76x = 189,275,263.32 × 39,923,335.64
  4. Step 4: Simplify right side
    126,196,138.76x = 7,556,499,865,873,741
  5. Step 5: Solve for x
    x = 7,556,499,865,873,741/126,196,138.76
  6. Step 6: Final answer
    x = 59,879,010.09

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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.