Home / 57,410,628.72-86,115,940.20-39,405,145.20

Finding the Fourth Proportional to 57,410,628.72, 86,115,940.20 and 39,405,145.20

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Solution

The fourth proportional to 57,410,628.72, 86,115,940.20 and 39,405,145.20 is: 59,107,715.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,410,628.72 : 86,115,940.20 = 39,405,145.20 : x
  2. Step 2: Convert to fraction form
    57,410,628.72/86,115,940.20 = 39,405,145.20/x
  3. Step 3: Cross multiply
    57,410,628.72x = 86,115,940.20 × 39,405,145.20
  4. Step 4: Simplify right side
    57,410,628.72x = 3,393,411,127,615,517.50
  5. Step 5: Solve for x
    x = 3,393,411,127,615,517.50/57,410,628.72
  6. Step 6: Final answer
    x = 59,107,715.82

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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.