Home / 40,124,261.37-55,388,432.57-27,089,177.61

Finding the Fourth Proportional to 40,124,261.37, 55,388,432.57 and 27,089,177.61

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Solution

The fourth proportional to 40,124,261.37, 55,388,432.57 and 27,089,177.61 is: 37,394,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,124,261.37 : 55,388,432.57 = 27,089,177.61 : x
  2. Step 2: Convert to fraction form
    40,124,261.37/55,388,432.57 = 27,089,177.61/x
  3. Step 3: Cross multiply
    40,124,261.37x = 55,388,432.57 × 27,089,177.61
  4. Step 4: Simplify right side
    40,124,261.37x = 1,500,427,087,428,238.75
  5. Step 5: Solve for x
    x = 1,500,427,087,428,238.75/40,124,261.37
  6. Step 6: Final answer
    x = 37,394,509.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.