Home / 99,098,138.80-148,647,208.20-84,749,231.80

Finding the Fourth Proportional to 99,098,138.80, 148,647,208.20 and 84,749,231.80

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Solution

The fourth proportional to 99,098,138.80, 148,647,208.20 and 84,749,231.80 is: 127,123,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,098,138.80 : 148,647,208.20 = 84,749,231.80 : x
  2. Step 2: Convert to fraction form
    99,098,138.80/148,647,208.20 = 84,749,231.80/x
  3. Step 3: Cross multiply
    99,098,138.80x = 148,647,208.20 × 84,749,231.80
  4. Step 4: Simplify right side
    99,098,138.80x = 12,597,736,704,164,660
  5. Step 5: Solve for x
    x = 12,597,736,704,164,660/99,098,138.80
  6. Step 6: Final answer
    x = 127,123,847.70

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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.