Home / 189,079,882.70-260,930,487.51-104,305,089.92

Finding the Fourth Proportional to 189,079,882.70, 260,930,487.51 and 104,305,089.92

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Solution

The fourth proportional to 189,079,882.70, 260,930,487.51 and 104,305,089.92 is: 143,941,161.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,079,882.70 : 260,930,487.51 = 104,305,089.92 : x
  2. Step 2: Convert to fraction form
    189,079,882.70/260,930,487.51 = 104,305,089.92/x
  3. Step 3: Cross multiply
    189,079,882.70x = 260,930,487.51 × 104,305,089.92
  4. Step 4: Simplify right side
    189,079,882.70x = 27,216,377,961,295,336
  5. Step 5: Solve for x
    x = 27,216,377,961,295,336/189,079,882.70
  6. Step 6: Final answer
    x = 143,941,161.66

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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.