Home / 50,949,103.80-76,428,321.30-20,650,697.40

Finding the Fourth Proportional to 50,949,103.80, 76,428,321.30 and 20,650,697.40

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Solution

The fourth proportional to 50,949,103.80, 76,428,321.30 and 20,650,697.40 is: 30,977,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,949,103.80 : 76,428,321.30 = 20,650,697.40 : x
  2. Step 2: Convert to fraction form
    50,949,103.80/76,428,321.30 = 20,650,697.40/x
  3. Step 3: Cross multiply
    50,949,103.80x = 76,428,321.30 × 20,650,697.40
  4. Step 4: Simplify right side
    50,949,103.80x = 1,578,298,135,956,274.50
  5. Step 5: Solve for x
    x = 1,578,298,135,956,274.50/50,949,103.80
  6. Step 6: Final answer
    x = 30,977,937.16

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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.