Home / 52,034,774.20-78,021,906.60-19,689,175.42

Finding the Fourth Proportional to 52,034,774.20, 78,021,906.60 and 19,689,175.42

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Solution

The fourth proportional to 52,034,774.20, 78,021,906.60 and 19,689,175.42 is: 29,522,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,034,774.20 : 78,021,906.60 = 19,689,175.42 : x
  2. Step 2: Convert to fraction form
    52,034,774.20/78,021,906.60 = 19,689,175.42/x
  3. Step 3: Cross multiply
    52,034,774.20x = 78,021,906.60 × 19,689,175.42
  4. Step 4: Simplify right side
    52,034,774.20x = 1,536,187,005,650,255.75
  5. Step 5: Solve for x
    x = 1,536,187,005,650,255.75/52,034,774.20
  6. Step 6: Final answer
    x = 29,522,315.21

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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.