Home / 189,504,275.67-261,517,703.30-111,189,161.43

Finding the Fourth Proportional to 189,504,275.67, 261,517,703.30 and 111,189,161.43

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Solution

The fourth proportional to 189,504,275.67, 261,517,703.30 and 111,189,161.43 is: 153,442,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,504,275.67 : 261,517,703.30 = 111,189,161.43 : x
  2. Step 2: Convert to fraction form
    189,504,275.67/261,517,703.30 = 111,189,161.43/x
  3. Step 3: Cross multiply
    189,504,275.67x = 261,517,703.30 × 111,189,161.43
  4. Step 4: Simplify right side
    189,504,275.67x = 29,077,934,128,470,600
  5. Step 5: Solve for x
    x = 29,077,934,128,470,600/189,504,275.67
  6. Step 6: Final answer
    x = 153,442,100.58

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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.