Home / 73,065,043.20-109,597,564.80-68,586,067.20

Finding the Fourth Proportional to 73,065,043.20, 109,597,564.80 and 68,586,067.20

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Solution

The fourth proportional to 73,065,043.20, 109,597,564.80 and 68,586,067.20 is: 102,879,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,065,043.20 : 109,597,564.80 = 68,586,067.20 : x
  2. Step 2: Convert to fraction form
    73,065,043.20/109,597,564.80 = 68,586,067.20/x
  3. Step 3: Cross multiply
    73,065,043.20x = 109,597,564.80 × 68,586,067.20
  4. Step 4: Simplify right side
    73,065,043.20x = 7,516,865,944,329,155
  5. Step 5: Solve for x
    x = 7,516,865,944,329,155/73,065,043.20
  6. Step 6: Final answer
    x = 102,879,100.80

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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.