Home / 51,201,261.22-76,801,965.75-20,909,124.22

Finding the Fourth Proportional to 51,201,261.22, 76,801,965.75 and 20,909,124.22

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Solution

The fourth proportional to 51,201,261.22, 76,801,965.75 and 20,909,124.22 is: 31,363,716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201,261.22 : 76,801,965.75 = 20,909,124.22 : x
  2. Step 2: Convert to fraction form
    51,201,261.22/76,801,965.75 = 20,909,124.22/x
  3. Step 3: Cross multiply
    51,201,261.22x = 76,801,965.75 × 20,909,124.22
  4. Step 4: Simplify right side
    51,201,261.22x = 1,605,861,842,206,935.25
  5. Step 5: Solve for x
    x = 1,605,861,842,206,935.25/51,201,261.22
  6. Step 6: Final answer
    x = 31,363,716.52

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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.