Home / 202,378,101.37-279,281,873.33-109,558,609.21

Finding the Fourth Proportional to 202,378,101.37, 279,281,873.33 and 109,558,609.21

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Solution

The fourth proportional to 202,378,101.37, 279,281,873.33 and 109,558,609.21 is: 151,190,931.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,378,101.37 : 279,281,873.33 = 109,558,609.21 : x
  2. Step 2: Convert to fraction form
    202,378,101.37/279,281,873.33 = 109,558,609.21/x
  3. Step 3: Cross multiply
    202,378,101.37x = 279,281,873.33 × 109,558,609.21
  4. Step 4: Simplify right side
    202,378,101.37x = 30,597,733,619,598,188
  5. Step 5: Solve for x
    x = 30,597,733,619,598,188/202,378,101.37
  6. Step 6: Final answer
    x = 151,190,931.29

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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.