Home / 219,794,703.21-329,622,053.55-72,208,005.26

Finding the Fourth Proportional to 219,794,703.21, 329,622,053.55 and 72,208,005.26

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Solution

The fourth proportional to 219,794,703.21, 329,622,053.55 and 72,208,005.26 is: 108,289,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,794,703.21 : 329,622,053.55 = 72,208,005.26 : x
  2. Step 2: Convert to fraction form
    219,794,703.21/329,622,053.55 = 72,208,005.26/x
  3. Step 3: Cross multiply
    219,794,703.21x = 329,622,053.55 × 72,208,005.26
  4. Step 4: Simplify right side
    219,794,703.21x = 23,801,350,974,886,404
  5. Step 5: Solve for x
    x = 23,801,350,974,886,404/219,794,703.21
  6. Step 6: Final answer
    x = 108,289,010.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.