Home / 77,689,629.60-116,548,441.20-32,256,016.80

Finding the Fourth Proportional to 77,689,629.60, 116,548,441.20 and 32,256,016.80

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Solution

The fourth proportional to 77,689,629.60, 116,548,441.20 and 32,256,016.80 is: 48,389,836.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,689,629.60 : 116,548,441.20 = 32,256,016.80 : x
  2. Step 2: Convert to fraction form
    77,689,629.60/116,548,441.20 = 32,256,016.80/x
  3. Step 3: Cross multiply
    77,689,629.60x = 116,548,441.20 × 32,256,016.80
  4. Step 4: Simplify right side
    77,689,629.60x = 3,759,388,477,361,012.50
  5. Step 5: Solve for x
    x = 3,759,388,477,361,012.50/77,689,629.60
  6. Step 6: Final answer
    x = 48,389,836.54

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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.