Home / 234,084,656.28-323,036,853.72-129,669,490.56

Finding the Fourth Proportional to 234,084,656.28, 323,036,853.72 and 129,669,490.56

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Solution

The fourth proportional to 234,084,656.28, 323,036,853.72 and 129,669,490.56 is: 178,943,912.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,084,656.28 : 323,036,853.72 = 129,669,490.56 : x
  2. Step 2: Convert to fraction form
    234,084,656.28/323,036,853.72 = 129,669,490.56/x
  3. Step 3: Cross multiply
    234,084,656.28x = 323,036,853.72 × 129,669,490.56
  4. Step 4: Simplify right side
    234,084,656.28x = 41,888,024,253,977,648
  5. Step 5: Solve for x
    x = 41,888,024,253,977,648/234,084,656.28
  6. Step 6: Final answer
    x = 178,943,912.51

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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.