Home / 234,289,202.12-323,312,091.81-128,438,997.27

Finding the Fourth Proportional to 234,289,202.12, 323,312,091.81 and 128,438,997.27

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Solution

The fourth proportional to 234,289,202.12, 323,312,091.81 and 128,438,997.27 is: 177,241,974.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,289,202.12 : 323,312,091.81 = 128,438,997.27 : x
  2. Step 2: Convert to fraction form
    234,289,202.12/323,312,091.81 = 128,438,997.27/x
  3. Step 3: Cross multiply
    234,289,202.12x = 323,312,091.81 × 128,438,997.27
  4. Step 4: Simplify right side
    234,289,202.12x = 41,525,880,875,648,512
  5. Step 5: Solve for x
    x = 41,525,880,875,648,512/234,289,202.12
  6. Step 6: Final answer
    x = 177,241,974.88

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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.