Home / 126,601,865.19-189,900,731.37-40,339,105.83

Finding the Fourth Proportional to 126,601,865.19, 189,900,731.37 and 40,339,105.83

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Solution

The fourth proportional to 126,601,865.19, 189,900,731.37 and 40,339,105.83 is: 60,508,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,601,865.19 : 189,900,731.37 = 40,339,105.83 : x
  2. Step 2: Convert to fraction form
    126,601,865.19/189,900,731.37 = 40,339,105.83/x
  3. Step 3: Cross multiply
    126,601,865.19x = 189,900,731.37 × 40,339,105.83
  4. Step 4: Simplify right side
    126,601,865.19x = 7,660,425,699,928,831
  5. Step 5: Solve for x
    x = 7,660,425,699,928,831/126,601,865.19
  6. Step 6: Final answer
    x = 60,508,000.32

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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.