Home / 126,111,337.20-189,167,005.80-106,022,867.40

Finding the Fourth Proportional to 126,111,337.20, 189,167,005.80 and 106,022,867.40

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Solution

The fourth proportional to 126,111,337.20, 189,167,005.80 and 106,022,867.40 is: 159,034,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,111,337.20 : 189,167,005.80 = 106,022,867.40 : x
  2. Step 2: Convert to fraction form
    126,111,337.20/189,167,005.80 = 106,022,867.40/x
  3. Step 3: Cross multiply
    126,111,337.20x = 189,167,005.80 × 106,022,867.40
  4. Step 4: Simplify right side
    126,111,337.20x = 20,056,028,372,388,432
  5. Step 5: Solve for x
    x = 20,056,028,372,388,432/126,111,337.20
  6. Step 6: Final answer
    x = 159,034,301.10

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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.