Home / 72,777,741.02-109,102,342.89-29,682,993.50

Finding the Fourth Proportional to 72,777,741.02, 109,102,342.89 and 29,682,993.50

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Solution

The fourth proportional to 72,777,741.02, 109,102,342.89 and 29,682,993.50 is: 44,498,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,777,741.02 : 109,102,342.89 = 29,682,993.50 : x
  2. Step 2: Convert to fraction form
    72,777,741.02/109,102,342.89 = 29,682,993.50/x
  3. Step 3: Cross multiply
    72,777,741.02x = 109,102,342.89 × 29,682,993.50
  4. Step 4: Simplify right side
    72,777,741.02x = 3,238,484,134,838,641
  5. Step 5: Solve for x
    x = 3,238,484,134,838,641/72,777,741.02
  6. Step 6: Final answer
    x = 44,498,277.76

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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.