Home / 234,084,659.28-323,036,857.86-129,669,493.56

Finding the Fourth Proportional to 234,084,659.28, 323,036,857.86 and 129,669,493.56

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Solution

The fourth proportional to 234,084,659.28, 323,036,857.86 and 129,669,493.56 is: 178,943,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,084,659.28 : 323,036,857.86 = 129,669,493.56 : x
  2. Step 2: Convert to fraction form
    234,084,659.28/323,036,857.86 = 129,669,493.56/x
  3. Step 3: Cross multiply
    234,084,659.28x = 323,036,857.86 × 129,669,493.56
  4. Step 4: Simplify right side
    234,084,659.28x = 41,888,025,759,919,912
  5. Step 5: Solve for x
    x = 41,888,025,759,919,912/234,084,659.28
  6. Step 6: Final answer
    x = 178,943,916.65

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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.