Home / 228,096,986.20-342,019,508.10-74,664,064.60

Finding the Fourth Proportional to 228,096,986.20, 342,019,508.10 and 74,664,064.60

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Solution

The fourth proportional to 228,096,986.20, 342,019,508.10 and 74,664,064.60 is: 111,954,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,096,986.20 : 342,019,508.10 = 74,664,064.60 : x
  2. Step 2: Convert to fraction form
    228,096,986.20/342,019,508.10 = 74,664,064.60/x
  3. Step 3: Cross multiply
    228,096,986.20x = 342,019,508.10 × 74,664,064.60
  4. Step 4: Simplify right side
    228,096,986.20x = 25,536,566,647,238,624
  5. Step 5: Solve for x
    x = 25,536,566,647,238,624/228,096,986.20
  6. Step 6: Final answer
    x = 111,954,862.15

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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.