Home / 75,956,977.12-113,935,467.03-18,448,860.76

Finding the Fourth Proportional to 75,956,977.12, 113,935,467.03 and 18,448,860.76

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Solution

The fourth proportional to 75,956,977.12, 113,935,467.03 and 18,448,860.76 is: 27,673,291.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,956,977.12 : 113,935,467.03 = 18,448,860.76 : x
  2. Step 2: Convert to fraction form
    75,956,977.12/113,935,467.03 = 18,448,860.76/x
  3. Step 3: Cross multiply
    75,956,977.12x = 113,935,467.03 × 18,448,860.76
  4. Step 4: Simplify right side
    75,956,977.12x = 2,101,979,566,862,041
  5. Step 5: Solve for x
    x = 2,101,979,566,862,041/75,956,977.12
  6. Step 6: Final answer
    x = 27,673,291.47

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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.