Home / 111,991,659.70-154,548,458.13-60,483,435.70

Finding the Fourth Proportional to 111,991,659.70, 154,548,458.13 and 60,483,435.70

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Solution

The fourth proportional to 111,991,659.70, 154,548,458.13 and 60,483,435.70 is: 83,467,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,991,659.70 : 154,548,458.13 = 60,483,435.70 : x
  2. Step 2: Convert to fraction form
    111,991,659.70/154,548,458.13 = 60,483,435.70/x
  3. Step 3: Cross multiply
    111,991,659.70x = 154,548,458.13 × 60,483,435.70
  4. Step 4: Simplify right side
    111,991,659.70x = 9,347,621,729,839,998
  5. Step 5: Solve for x
    x = 9,347,621,729,839,998/111,991,659.70
  6. Step 6: Final answer
    x = 83,467,123.85

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1.5x scale

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.