Home / 78,782,378.44-108,737,822.12-46,197,828.04

Finding the Fourth Proportional to 78,782,378.44, 108,737,822.12 and 46,197,828.04

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Solution

The fourth proportional to 78,782,378.44, 108,737,822.12 and 46,197,828.04 is: 63,763,639.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,782,378.44 : 108,737,822.12 = 46,197,828.04 : x
  2. Step 2: Convert to fraction form
    78,782,378.44/108,737,822.12 = 46,197,828.04/x
  3. Step 3: Cross multiply
    78,782,378.44x = 108,737,822.12 × 46,197,828.04
  4. Step 4: Simplify right side
    78,782,378.44x = 5,023,451,207,743,868
  5. Step 5: Solve for x
    x = 5,023,451,207,743,868/78,782,378.44
  6. Step 6: Final answer
    x = 63,763,639.88

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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.