Home / 52,145,408.72-71,957,311.80-28,940,551.40

Finding the Fourth Proportional to 52,145,408.72, 71,957,311.80 and 28,940,551.40

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Solution

The fourth proportional to 52,145,408.72, 71,957,311.80 and 28,940,551.40 is: 39,936,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,145,408.72 : 71,957,311.80 = 28,940,551.40 : x
  2. Step 2: Convert to fraction form
    52,145,408.72/71,957,311.80 = 28,940,551.40/x
  3. Step 3: Cross multiply
    52,145,408.72x = 71,957,311.80 × 28,940,551.40
  4. Step 4: Simplify right side
    52,145,408.72x = 2,082,484,280,753,726.25
  5. Step 5: Solve for x
    x = 2,082,484,280,753,726.25/52,145,408.72
  6. Step 6: Final answer
    x = 39,936,100.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.