Home / 76,977,047.21-115,503,507.97-36,039,258.41

Finding the Fourth Proportional to 76,977,047.21, 115,503,507.97 and 36,039,258.41

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Solution

The fourth proportional to 76,977,047.21, 115,503,507.97 and 36,039,258.41 is: 54,076,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,977,047.21 : 115,503,507.97 = 36,039,258.41 : x
  2. Step 2: Convert to fraction form
    76,977,047.21/115,503,507.97 = 36,039,258.41/x
  3. Step 3: Cross multiply
    76,977,047.21x = 115,503,507.97 × 36,039,258.41
  4. Step 4: Simplify right side
    76,977,047.21x = 4,162,660,770,324,709
  5. Step 5: Solve for x
    x = 4,162,660,770,324,709/76,977,047.21
  6. Step 6: Final answer
    x = 54,076,649.10

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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.