Home / 142,664,021.76-196,936,623.36-96,317,057.28

Finding the Fourth Proportional to 142,664,021.76, 196,936,623.36 and 96,317,057.28

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Solution

The fourth proportional to 142,664,021.76, 196,936,623.36 and 96,317,057.28 is: 132,958,231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,664,021.76 : 196,936,623.36 = 96,317,057.28 : x
  2. Step 2: Convert to fraction form
    142,664,021.76/196,936,623.36 = 96,317,057.28/x
  3. Step 3: Cross multiply
    142,664,021.76x = 196,936,623.36 × 96,317,057.28
  4. Step 4: Simplify right side
    142,664,021.76x = 18,968,356,032,694,908
  5. Step 5: Solve for x
    x = 18,968,356,032,694,908/142,664,021.76
  6. Step 6: Final answer
    x = 132,958,231.51

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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.