Home / 57,507,638.58-86,245,746.23-20,612,651.78

Finding the Fourth Proportional to 57,507,638.58, 86,245,746.23 and 20,612,651.78

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Solution

The fourth proportional to 57,507,638.58, 86,245,746.23 and 20,612,651.78 is: 30,913,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,507,638.58 : 86,245,746.23 = 20,612,651.78 : x
  2. Step 2: Convert to fraction form
    57,507,638.58/86,245,746.23 = 20,612,651.78/x
  3. Step 3: Cross multiply
    57,507,638.58x = 86,245,746.23 × 20,612,651.78
  4. Step 4: Simplify right side
    57,507,638.58x = 1,777,753,534,812,383.75
  5. Step 5: Solve for x
    x = 1,777,753,534,812,383.75/57,507,638.58
  6. Step 6: Final answer
    x = 30,913,346.10

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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.