Home / 75,956,976.12-113,935,465.53-18,448,859.76

Finding the Fourth Proportional to 75,956,976.12, 113,935,465.53 and 18,448,859.76

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Solution

The fourth proportional to 75,956,976.12, 113,935,465.53 and 18,448,859.76 is: 27,673,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,956,976.12 : 113,935,465.53 = 18,448,859.76 : x
  2. Step 2: Convert to fraction form
    75,956,976.12/113,935,465.53 = 18,448,859.76/x
  3. Step 3: Cross multiply
    75,956,976.12x = 113,935,465.53 × 18,448,859.76
  4. Step 4: Simplify right side
    75,956,976.12x = 2,101,979,425,253,284.25
  5. Step 5: Solve for x
    x = 2,101,979,425,253,284.25/75,956,976.12
  6. Step 6: Final answer
    x = 27,673,289.97

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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.