Home / 128,122,811.60-192,184,217.40-106,581,736.40

Finding the Fourth Proportional to 128,122,811.60, 192,184,217.40 and 106,581,736.40

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Solution

The fourth proportional to 128,122,811.60, 192,184,217.40 and 106,581,736.40 is: 159,872,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,122,811.60 : 192,184,217.40 = 106,581,736.40 : x
  2. Step 2: Convert to fraction form
    128,122,811.60/192,184,217.40 = 106,581,736.40/x
  3. Step 3: Cross multiply
    128,122,811.60x = 192,184,217.40 × 106,581,736.40
  4. Step 4: Simplify right side
    128,122,811.60x = 20,483,327,599,167,096
  5. Step 5: Solve for x
    x = 20,483,327,599,167,096/128,122,811.60
  6. Step 6: Final answer
    x = 159,872,604.60

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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.