Home / 189,273,485.10-283,910,227.65-81,568,109.10

Finding the Fourth Proportional to 189,273,485.10, 283,910,227.65 and 81,568,109.10

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Solution

The fourth proportional to 189,273,485.10, 283,910,227.65 and 81,568,109.10 is: 122,352,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,273,485.10 : 283,910,227.65 = 81,568,109.10 : x
  2. Step 2: Convert to fraction form
    189,273,485.10/283,910,227.65 = 81,568,109.10/x
  3. Step 3: Cross multiply
    189,273,485.10x = 283,910,227.65 × 81,568,109.10
  4. Step 4: Simplify right side
    189,273,485.10x = 23,158,020,423,561,032
  5. Step 5: Solve for x
    x = 23,158,020,423,561,032/189,273,485.10
  6. Step 6: Final answer
    x = 122,352,163.65

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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.