Home / 50,949,093.30-76,428,305.55-20,650,686.90

Finding the Fourth Proportional to 50,949,093.30, 76,428,305.55 and 20,650,686.90

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Solution

The fourth proportional to 50,949,093.30, 76,428,305.55 and 20,650,686.90 is: 30,977,921.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,949,093.30 : 76,428,305.55 = 20,650,686.90 : x
  2. Step 2: Convert to fraction form
    50,949,093.30/76,428,305.55 = 20,650,686.90/x
  3. Step 3: Cross multiply
    50,949,093.30x = 76,428,305.55 × 20,650,686.90
  4. Step 4: Simplify right side
    50,949,093.30x = 1,578,297,008,210,582
  5. Step 5: Solve for x
    x = 1,578,297,008,210,582/50,949,093.30
  6. Step 6: Final answer
    x = 30,977,921.41

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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.