Home / 72,809,986.44-109,172,726.82-34,471,176.60

Finding the Fourth Proportional to 72,809,986.44, 109,172,726.82 and 34,471,176.60

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Solution

The fourth proportional to 72,809,986.44, 109,172,726.82 and 34,471,176.60 is: 51,686,760.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,809,986.44 : 109,172,726.82 = 34,471,176.60 : x
  2. Step 2: Convert to fraction form
    72,809,986.44/109,172,726.82 = 34,471,176.60/x
  3. Step 3: Cross multiply
    72,809,986.44x = 109,172,726.82 × 34,471,176.60
  4. Step 4: Simplify right side
    72,809,986.44x = 3,763,312,346,115,776.50
  5. Step 5: Solve for x
    x = 3,763,312,346,115,776.50/72,809,986.44
  6. Step 6: Final answer
    x = 51,686,760.71

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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.