Home / 128,325,709.20-192,488,563.80-94,313,485.20

Finding the Fourth Proportional to 128,325,709.20, 192,488,563.80 and 94,313,485.20

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Solution

The fourth proportional to 128,325,709.20, 192,488,563.80 and 94,313,485.20 is: 141,470,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,325,709.20 : 192,488,563.80 = 94,313,485.20 : x
  2. Step 2: Convert to fraction form
    128,325,709.20/192,488,563.80 = 94,313,485.20/x
  3. Step 3: Cross multiply
    128,325,709.20x = 192,488,563.80 × 94,313,485.20
  4. Step 4: Simplify right side
    128,325,709.20x = 18,154,267,313,120,556
  5. Step 5: Solve for x
    x = 18,154,267,313,120,556/128,325,709.20
  6. Step 6: Final answer
    x = 141,470,227.80

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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.