Home / 111,991,658.20-154,548,456.06-60,483,434.20

Finding the Fourth Proportional to 111,991,658.20, 154,548,456.06 and 60,483,434.20

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Solution

The fourth proportional to 111,991,658.20, 154,548,456.06 and 60,483,434.20 is: 83,467,121.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,991,658.20 : 154,548,456.06 = 60,483,434.20 : x
  2. Step 2: Convert to fraction form
    111,991,658.20/154,548,456.06 = 60,483,434.20/x
  3. Step 3: Cross multiply
    111,991,658.20x = 154,548,456.06 × 60,483,434.20
  4. Step 4: Simplify right side
    111,991,658.20x = 9,347,621,372,816,602
  5. Step 5: Solve for x
    x = 9,347,621,372,816,602/111,991,658.20
  6. Step 6: Final answer
    x = 83,467,121.78

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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.