Home / 85,002,720.60-127,504,080.90-50,990,496.60

Finding the Fourth Proportional to 85,002,720.60, 127,504,080.90 and 50,990,496.60

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Solution

The fourth proportional to 85,002,720.60, 127,504,080.90 and 50,990,496.60 is: 76,485,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,002,720.60 : 127,504,080.90 = 50,990,496.60 : x
  2. Step 2: Convert to fraction form
    85,002,720.60/127,504,080.90 = 50,990,496.60/x
  3. Step 3: Cross multiply
    85,002,720.60x = 127,504,080.90 × 50,990,496.60
  4. Step 4: Simplify right side
    85,002,720.60x = 6,501,496,403,617,575
  5. Step 5: Solve for x
    x = 6,501,496,403,617,575/85,002,720.60
  6. Step 6: Final answer
    x = 76,485,744.90

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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.