Home / 189,099,676.80-283,439,563.20-74,045,980.80

Finding the Fourth Proportional to 189,099,676.80, 283,439,563.20 and 74,045,980.80

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Solution

The fourth proportional to 189,099,676.80, 283,439,563.20 and 74,045,980.80 is: 110,986,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,099,676.80 : 283,439,563.20 = 74,045,980.80 : x
  2. Step 2: Convert to fraction form
    189,099,676.80/283,439,563.20 = 74,045,980.80/x
  3. Step 3: Cross multiply
    189,099,676.80x = 283,439,563.20 × 74,045,980.80
  4. Step 4: Simplify right side
    189,099,676.80x = 20,987,560,454,667,584
  5. Step 5: Solve for x
    x = 20,987,560,454,667,584/189,099,676.80
  6. Step 6: Final answer
    x = 110,986,760.05

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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.