Home / 99,647,849.40-148,993,477.20-73,819,816.80

Finding the Fourth Proportional to 99,647,849.40, 148,993,477.20 and 73,819,816.80

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Solution

The fourth proportional to 99,647,849.40, 148,993,477.20 and 73,819,816.80 is: 110,375,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,647,849.40 : 148,993,477.20 = 73,819,816.80 : x
  2. Step 2: Convert to fraction form
    99,647,849.40/148,993,477.20 = 73,819,816.80/x
  3. Step 3: Cross multiply
    99,647,849.40x = 148,993,477.20 × 73,819,816.80
  4. Step 4: Simplify right side
    99,647,849.40x = 10,998,671,191,298,976
  5. Step 5: Solve for x
    x = 10,998,671,191,298,976/99,647,849.40
  6. Step 6: Final answer
    x = 110,375,399.54

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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.