Home / 137,339,495.58-189,481,629.24-85,109,474.10

Finding the Fourth Proportional to 137,339,495.58, 189,481,629.24 and 85,109,474.10

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Solution

The fourth proportional to 137,339,495.58, 189,481,629.24 and 85,109,474.10 is: 117,422,025.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,339,495.58 : 189,481,629.24 = 85,109,474.10 : x
  2. Step 2: Convert to fraction form
    137,339,495.58/189,481,629.24 = 85,109,474.10/x
  3. Step 3: Cross multiply
    137,339,495.58x = 189,481,629.24 × 85,109,474.10
  4. Step 4: Simplify right side
    137,339,495.58x = 16,126,681,816,227,582
  5. Step 5: Solve for x
    x = 16,126,681,816,227,582/137,339,495.58
  6. Step 6: Final answer
    x = 117,422,025.97

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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.