Home / 219,950,067.90-329,841,121.05-66,545,139.90

Finding the Fourth Proportional to 219,950,067.90, 329,841,121.05 and 66,545,139.90

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Solution

The fourth proportional to 219,950,067.90, 329,841,121.05 and 66,545,139.90 is: 99,792,301.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,950,067.90 : 329,841,121.05 = 66,545,139.90 : x
  2. Step 2: Convert to fraction form
    219,950,067.90/329,841,121.05 = 66,545,139.90/x
  3. Step 3: Cross multiply
    219,950,067.90x = 329,841,121.05 × 66,545,139.90
  4. Step 4: Simplify right side
    219,950,067.90x = 21,949,323,545,045,084
  5. Step 5: Solve for x
    x = 21,949,323,545,045,084/219,950,067.90
  6. Step 6: Final answer
    x = 99,792,301.75

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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.