Home / 57,485,720.80-86,228,581.20-56,729,893.60

Finding the Fourth Proportional to 57,485,720.80, 86,228,581.20 and 56,729,893.60

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Solution

The fourth proportional to 57,485,720.80, 86,228,581.20 and 56,729,893.60 is: 85,094,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,485,720.80 : 86,228,581.20 = 56,729,893.60 : x
  2. Step 2: Convert to fraction form
    57,485,720.80/86,228,581.20 = 56,729,893.60/x
  3. Step 3: Cross multiply
    57,485,720.80x = 86,228,581.20 × 56,729,893.60
  4. Step 4: Simplify right side
    57,485,720.80x = 4,891,738,236,754,961
  5. Step 5: Solve for x
    x = 4,891,738,236,754,961/57,485,720.80
  6. Step 6: Final answer
    x = 85,094,840.40

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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.