Home / 79,188,015.60-118,782,023.40-73,448,452.80

Finding the Fourth Proportional to 79,188,015.60, 118,782,023.40 and 73,448,452.80

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Solution

The fourth proportional to 79,188,015.60, 118,782,023.40 and 73,448,452.80 is: 110,172,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,188,015.60 : 118,782,023.40 = 73,448,452.80 : x
  2. Step 2: Convert to fraction form
    79,188,015.60/118,782,023.40 = 73,448,452.80/x
  3. Step 3: Cross multiply
    79,188,015.60x = 118,782,023.40 × 73,448,452.80
  4. Step 4: Simplify right side
    79,188,015.60x = 8,724,355,839,183,396
  5. Step 5: Solve for x
    x = 8,724,355,839,183,396/79,188,015.60
  6. Step 6: Final answer
    x = 110,172,679.20

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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.