Home / 179,285,912.37-247,408,027.20-99,896,871.96

Finding the Fourth Proportional to 179,285,912.37, 247,408,027.20 and 99,896,871.96

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Solution

The fourth proportional to 179,285,912.37, 247,408,027.20 and 99,896,871.96 is: 137,854,043.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,285,912.37 : 247,408,027.20 = 99,896,871.96 : x
  2. Step 2: Convert to fraction form
    179,285,912.37/247,408,027.20 = 99,896,871.96/x
  3. Step 3: Cross multiply
    179,285,912.37x = 247,408,027.20 × 99,896,871.96
  4. Step 4: Simplify right side
    179,285,912.37x = 24,715,288,015,074,596
  5. Step 5: Solve for x
    x = 24,715,288,015,074,596/179,285,912.37
  6. Step 6: Final answer
    x = 137,854,043.79

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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.