Home / 189,504,268.92-261,517,693.98-111,189,154.68

Finding the Fourth Proportional to 189,504,268.92, 261,517,693.98 and 111,189,154.68

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Solution

The fourth proportional to 189,504,268.92, 261,517,693.98 and 111,189,154.68 is: 153,442,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,504,268.92 : 261,517,693.98 = 111,189,154.68 : x
  2. Step 2: Convert to fraction form
    189,504,268.92/261,517,693.98 = 111,189,154.68/x
  3. Step 3: Cross multiply
    189,504,268.92x = 261,517,693.98 × 111,189,154.68
  4. Step 4: Simplify right side
    189,504,268.92x = 29,077,931,327,499,124
  5. Step 5: Solve for x
    x = 29,077,931,327,499,124/189,504,268.92
  6. Step 6: Final answer
    x = 153,442,091.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.