Home / 104,128,541.03-143,694,272.34-57,084,005.54

Finding the Fourth Proportional to 104,128,541.03, 143,694,272.34 and 57,084,005.54

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Solution

The fourth proportional to 104,128,541.03, 143,694,272.34 and 57,084,005.54 is: 78,774,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,128,541.03 : 143,694,272.34 = 57,084,005.54 : x
  2. Step 2: Convert to fraction form
    104,128,541.03/143,694,272.34 = 57,084,005.54/x
  3. Step 3: Cross multiply
    104,128,541.03x = 143,694,272.34 × 57,084,005.54
  4. Step 4: Simplify right side
    104,128,541.03x = 8,202,644,637,604,357
  5. Step 5: Solve for x
    x = 8,202,644,637,604,357/104,128,541.03
  6. Step 6: Final answer
    x = 78,774,220.37

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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.