Home / 219,794,721.30-329,622,080.63-72,208,023.40

Finding the Fourth Proportional to 219,794,721.30, 329,622,080.63 and 72,208,023.40

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Solution

The fourth proportional to 219,794,721.30, 329,622,080.63 and 72,208,023.40 is: 108,289,037.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,794,721.30 : 329,622,080.63 = 72,208,023.40 : x
  2. Step 2: Convert to fraction form
    219,794,721.30/329,622,080.63 = 72,208,023.40/x
  3. Step 3: Cross multiply
    219,794,721.30x = 329,622,080.63 × 72,208,023.40
  4. Step 4: Simplify right side
    219,794,721.30x = 23,801,358,912,467,796
  5. Step 5: Solve for x
    x = 23,801,358,912,467,796/219,794,721.30
  6. Step 6: Final answer
    x = 108,289,037.93

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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.