Home / 104,128,542.03-143,694,273.72-57,084,006.54

Finding the Fourth Proportional to 104,128,542.03, 143,694,273.72 and 57,084,006.54

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Solution

The fourth proportional to 104,128,542.03, 143,694,273.72 and 57,084,006.54 is: 78,774,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,128,542.03 : 143,694,273.72 = 57,084,006.54 : x
  2. Step 2: Convert to fraction form
    104,128,542.03/143,694,273.72 = 57,084,006.54/x
  3. Step 3: Cross multiply
    104,128,542.03x = 143,694,273.72 × 57,084,006.54
  4. Step 4: Simplify right side
    104,128,542.03x = 8,202,644,860,793,030
  5. Step 5: Solve for x
    x = 8,202,644,860,793,030/104,128,542.03
  6. Step 6: Final answer
    x = 78,774,221.75

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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.