Home / 126,111,338.20-189,167,007.30-106,022,868.40

Finding the Fourth Proportional to 126,111,338.20, 189,167,007.30 and 106,022,868.40

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Solution

The fourth proportional to 126,111,338.20, 189,167,007.30 and 106,022,868.40 is: 159,034,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,111,338.20 : 189,167,007.30 = 106,022,868.40 : x
  2. Step 2: Convert to fraction form
    126,111,338.20/189,167,007.30 = 106,022,868.40/x
  3. Step 3: Cross multiply
    126,111,338.20x = 189,167,007.30 × 106,022,868.40
  4. Step 4: Simplify right side
    126,111,338.20x = 20,056,028,720,589,740
  5. Step 5: Solve for x
    x = 20,056,028,720,589,740/126,111,338.20
  6. Step 6: Final answer
    x = 159,034,302.60

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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.