Home / 137,494,796.33-189,740,187.66-75,615,134.90

Finding the Fourth Proportional to 137,494,796.33, 189,740,187.66 and 75,615,134.90

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Solution

The fourth proportional to 137,494,796.33, 189,740,187.66 and 75,615,134.90 is: 104,347,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,494,796.33 : 189,740,187.66 = 75,615,134.90 : x
  2. Step 2: Convert to fraction form
    137,494,796.33/189,740,187.66 = 75,615,134.90/x
  3. Step 3: Cross multiply
    137,494,796.33x = 189,740,187.66 × 75,615,134.90
  4. Step 4: Simplify right side
    137,494,796.33x = 14,347,229,884,913,514
  5. Step 5: Solve for x
    x = 14,347,229,884,913,514/137,494,796.33
  6. Step 6: Final answer
    x = 104,347,439.09

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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.