Home / 126,609,022.10-189,909,990.21-40,352,604.86

Finding the Fourth Proportional to 126,609,022.10, 189,909,990.21 and 40,352,604.86

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Solution

The fourth proportional to 126,609,022.10, 189,909,990.21 and 40,352,604.86 is: 60,527,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,609,022.10 : 189,909,990.21 = 40,352,604.86 : x
  2. Step 2: Convert to fraction form
    126,609,022.10/189,909,990.21 = 40,352,604.86/x
  3. Step 3: Cross multiply
    126,609,022.10x = 189,909,990.21 × 40,352,604.86
  4. Step 4: Simplify right side
    126,609,022.10x = 7,663,362,794,536,695
  5. Step 5: Solve for x
    x = 7,663,362,794,536,695/126,609,022.10
  6. Step 6: Final answer
    x = 60,527,778.09

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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.