Home / 80,890,569-111,629,378.88-44,221,140

Finding the Fourth Proportional to 80,890,569, 111,629,378.88 and 44,221,140

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Solution

The fourth proportional to 80,890,569, 111,629,378.88 and 44,221,140 is: 61,025,388.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,890,569 : 111,629,378.88 = 44,221,140 : x
  2. Step 2: Convert to fraction form
    80,890,569/111,629,378.88 = 44,221,140/x
  3. Step 3: Cross multiply
    80,890,569x = 111,629,378.88 × 44,221,140
  4. Step 4: Simplify right side
    80,890,569x = 4,936,378,391,565,523
  5. Step 5: Solve for x
    x = 4,936,378,391,565,523/80,890,569
  6. Step 6: Final answer
    x = 61,025,388.41

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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.