Home / 202,378,101.87-279,281,874.02-109,558,609.71

Finding the Fourth Proportional to 202,378,101.87, 279,281,874.02 and 109,558,609.71

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Solution

The fourth proportional to 202,378,101.87, 279,281,874.02 and 109,558,609.71 is: 151,190,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,378,101.87 : 279,281,874.02 = 109,558,609.71 : x
  2. Step 2: Convert to fraction form
    202,378,101.87/279,281,874.02 = 109,558,609.71/x
  3. Step 3: Cross multiply
    202,378,101.87x = 279,281,874.02 × 109,558,609.71
  4. Step 4: Simplify right side
    202,378,101.87x = 30,597,733,834,286,772
  5. Step 5: Solve for x
    x = 30,597,733,834,286,772/202,378,101.87
  6. Step 6: Final answer
    x = 151,190,931.98

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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.