Home / 202,377,983.21-279,281,710.27-109,558,491.06

Finding the Fourth Proportional to 202,377,983.21, 279,281,710.27 and 109,558,491.06

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Solution

The fourth proportional to 202,377,983.21, 279,281,710.27 and 109,558,491.06 is: 151,190,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,377,983.21 : 279,281,710.27 = 109,558,491.06 : x
  2. Step 2: Convert to fraction form
    202,377,983.21/279,281,710.27 = 109,558,491.06/x
  3. Step 3: Cross multiply
    202,377,983.21x = 279,281,710.27 × 109,558,491.06
  4. Step 4: Simplify right side
    202,377,983.21x = 30,597,682,757,837,304
  5. Step 5: Solve for x
    x = 30,597,682,757,837,304/202,377,983.21
  6. Step 6: Final answer
    x = 151,190,768.25

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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.