Home / 64,664,579.40-96,996,869.10-54,979,067.18

Finding the Fourth Proportional to 64,664,579.40, 96,996,869.10 and 54,979,067.18

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Solution

The fourth proportional to 64,664,579.40, 96,996,869.10 and 54,979,067.18 is: 82,468,600.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,664,579.40 : 96,996,869.10 = 54,979,067.18 : x
  2. Step 2: Convert to fraction form
    64,664,579.40/96,996,869.10 = 54,979,067.18/x
  3. Step 3: Cross multiply
    64,664,579.40x = 96,996,869.10 × 54,979,067.18
  4. Step 4: Simplify right side
    64,664,579.40x = 5,332,797,382,498,566
  5. Step 5: Solve for x
    x = 5,332,797,382,498,566/64,664,579.40
  6. Step 6: Final answer
    x = 82,468,600.77

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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.