Home / 57,047,987.60-85,550,534.22-20,647,384.64

Finding the Fourth Proportional to 57,047,987.60, 85,550,534.22 and 20,647,384.64

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Solution

The fourth proportional to 57,047,987.60, 85,550,534.22 and 20,647,384.64 is: 30,963,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,047,987.60 : 85,550,534.22 = 20,647,384.64 : x
  2. Step 2: Convert to fraction form
    57,047,987.60/85,550,534.22 = 20,647,384.64/x
  3. Step 3: Cross multiply
    57,047,987.60x = 85,550,534.22 × 20,647,384.64
  4. Step 4: Simplify right side
    57,047,987.60x = 1,766,394,786,197,822.50
  5. Step 5: Solve for x
    x = 1,766,394,786,197,822.50/57,047,987.60
  6. Step 6: Final answer
    x = 30,963,314.58

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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.