Home / 203,424,813.44-280,724,262.24-110,605,321.28

Finding the Fourth Proportional to 203,424,813.44, 280,724,262.24 and 110,605,321.28

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Solution

The fourth proportional to 203,424,813.44, 280,724,262.24 and 110,605,321.28 is: 152,634,266.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,424,813.44 : 280,724,262.24 = 110,605,321.28 : x
  2. Step 2: Convert to fraction form
    203,424,813.44/280,724,262.24 = 110,605,321.28/x
  3. Step 3: Cross multiply
    203,424,813.44x = 280,724,262.24 × 110,605,321.28
  4. Step 4: Simplify right side
    203,424,813.44x = 31,049,597,216,146,172
  5. Step 5: Solve for x
    x = 31,049,597,216,146,172/203,424,813.44
  6. Step 6: Final answer
    x = 152,634,266.64

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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.