Home / 142,832,028.52-197,110,359-80,122,027.36

Finding the Fourth Proportional to 142,832,028.52, 197,110,359 and 80,122,027.36

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Solution

The fourth proportional to 142,832,028.52, 197,110,359 and 80,122,027.36 is: 110,569,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,832,028.52 : 197,110,359 = 80,122,027.36 : x
  2. Step 2: Convert to fraction form
    142,832,028.52/197,110,359 = 80,122,027.36/x
  3. Step 3: Cross multiply
    142,832,028.52x = 197,110,359 × 80,122,027.36
  4. Step 4: Simplify right side
    142,832,028.52x = 15,792,881,576,737,422
  5. Step 5: Solve for x
    x = 15,792,881,576,737,422/142,832,028.52
  6. Step 6: Final answer
    x = 110,569,609.21

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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.