Home / 142,106,339.25-196,107,338.66-76,916,243.25

Finding the Fourth Proportional to 142,106,339.25, 196,107,338.66 and 76,916,243.25

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Solution

The fourth proportional to 142,106,339.25, 196,107,338.66 and 76,916,243.25 is: 106,144,735.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,106,339.25 : 196,107,338.66 = 76,916,243.25 : x
  2. Step 2: Convert to fraction form
    142,106,339.25/196,107,338.66 = 76,916,243.25/x
  3. Step 3: Cross multiply
    142,106,339.25x = 196,107,338.66 × 76,916,243.25
  4. Step 4: Simplify right side
    142,106,339.25x = 15,083,839,763,098,108
  5. Step 5: Solve for x
    x = 15,083,839,763,098,108/142,106,339.25
  6. Step 6: Final answer
    x = 106,144,735.29

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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.