Home / 72,777,737.52-109,102,337.64-29,682,990

Finding the Fourth Proportional to 72,777,737.52, 109,102,337.64 and 29,682,990

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Solution

The fourth proportional to 72,777,737.52, 109,102,337.64 and 29,682,990 is: 44,498,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,777,737.52 : 109,102,337.64 = 29,682,990 : x
  2. Step 2: Convert to fraction form
    72,777,737.52/109,102,337.64 = 29,682,990/x
  3. Step 3: Cross multiply
    72,777,737.52x = 109,102,337.64 × 29,682,990
  4. Step 4: Simplify right side
    72,777,737.52x = 3,238,483,597,144,743.50
  5. Step 5: Solve for x
    x = 3,238,483,597,144,743.50/72,777,737.52
  6. Step 6: Final answer
    x = 44,498,272.51

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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.