Home / 76,815,262.32-106,014,745.52-50,375,851.20

Finding the Fourth Proportional to 76,815,262.32, 106,014,745.52 and 50,375,851.20

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Solution

The fourth proportional to 76,815,262.32, 106,014,745.52 and 50,375,851.20 is: 69,525,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,815,262.32 : 106,014,745.52 = 50,375,851.20 : x
  2. Step 2: Convert to fraction form
    76,815,262.32/106,014,745.52 = 50,375,851.20/x
  3. Step 3: Cross multiply
    76,815,262.32x = 106,014,745.52 × 50,375,851.20
  4. Step 4: Simplify right side
    76,815,262.32x = 5,340,583,045,321,387
  5. Step 5: Solve for x
    x = 5,340,583,045,321,387/76,815,262.32
  6. Step 6: Final answer
    x = 69,525,025.16

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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.