Home / 126,615,846.30-189,923,769.45-106,208,511.90

Finding the Fourth Proportional to 126,615,846.30, 189,923,769.45 and 106,208,511.90

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Solution

The fourth proportional to 126,615,846.30, 189,923,769.45 and 106,208,511.90 is: 159,312,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,615,846.30 : 189,923,769.45 = 106,208,511.90 : x
  2. Step 2: Convert to fraction form
    126,615,846.30/189,923,769.45 = 106,208,511.90/x
  3. Step 3: Cross multiply
    126,615,846.30x = 189,923,769.45 × 106,208,511.90
  4. Step 4: Simplify right side
    126,615,846.30x = 20,171,520,927,723,180
  5. Step 5: Solve for x
    x = 20,171,520,927,723,180/126,615,846.30
  6. Step 6: Final answer
    x = 159,312,767.85

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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.