Home / 79,722,400.80-119,583,601.20-25,869,712.80

Finding the Fourth Proportional to 79,722,400.80, 119,583,601.20 and 25,869,712.80

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Solution

The fourth proportional to 79,722,400.80, 119,583,601.20 and 25,869,712.80 is: 38,804,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,722,400.80 : 119,583,601.20 = 25,869,712.80 : x
  2. Step 2: Convert to fraction form
    79,722,400.80/119,583,601.20 = 25,869,712.80/x
  3. Step 3: Cross multiply
    79,722,400.80x = 119,583,601.20 × 25,869,712.80
  4. Step 4: Simplify right side
    79,722,400.80x = 3,093,593,418,633,735.50
  5. Step 5: Solve for x
    x = 3,093,593,418,633,735.50/79,722,400.80
  6. Step 6: Final answer
    x = 38,804,569.20

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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.