Home / 111,992,724.30-154,542,067.64-62,430,905.70

Finding the Fourth Proportional to 111,992,724.30, 154,542,067.64 and 62,430,905.70

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Solution

The fourth proportional to 111,992,724.30, 154,542,067.64 and 62,430,905.70 is: 86,150,250.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,992,724.30 : 154,542,067.64 = 62,430,905.70 : x
  2. Step 2: Convert to fraction form
    111,992,724.30/154,542,067.64 = 62,430,905.70/x
  3. Step 3: Cross multiply
    111,992,724.30x = 154,542,067.64 × 62,430,905.70
  4. Step 4: Simplify right side
    111,992,724.30x = 9,648,201,251,437,822
  5. Step 5: Solve for x
    x = 9,648,201,251,437,822/111,992,724.30
  6. Step 6: Final answer
    x = 86,150,250.49

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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.