Home / 128,216,532,224.80-192,324,798,337.20-107,645,939,149.60

Finding the Fourth Proportional to 128,216,532,224.80, 192,324,798,337.20 and 107,645,939,149.60

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Solution

The fourth proportional to 128,216,532,224.80, 192,324,798,337.20 and 107,645,939,149.60 is: 161,468,908,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,216,532,224.80 : 192,324,798,337.20 = 107,645,939,149.60 : x
  2. Step 2: Convert to fraction form
    128,216,532,224.80/192,324,798,337.20 = 107,645,939,149.60/x
  3. Step 3: Cross multiply
    128,216,532,224.80x = 192,324,798,337.20 × 107,645,939,149.60
  4. Step 4: Simplify right side
    128,216,532,224.80x = 20,702,983,538,765,325,139,968
  5. Step 5: Solve for x
    x = 20,702,983,538,765,325,139,968/128,216,532,224.80
  6. Step 6: Final answer
    x = 161,468,908,724.40

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1.5x scale

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.