Home / 220,147,745.36-303,804,084.03-121,030,179.11

Finding the Fourth Proportional to 220,147,745.36, 303,804,084.03 and 121,030,179.11

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Solution

The fourth proportional to 220,147,745.36, 303,804,084.03 and 121,030,179.11 is: 167,021,754.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,147,745.36 : 303,804,084.03 = 121,030,179.11 : x
  2. Step 2: Convert to fraction form
    220,147,745.36/303,804,084.03 = 121,030,179.11/x
  3. Step 3: Cross multiply
    220,147,745.36x = 303,804,084.03 × 121,030,179.11
  4. Step 4: Simplify right side
    220,147,745.36x = 36,769,462,704,500,384
  5. Step 5: Solve for x
    x = 36,769,462,704,500,384/220,147,745.36
  6. Step 6: Final answer
    x = 167,021,754.61

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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.