Home / 234,542,973.58-323,669,177.73-128,697,083.86

Finding the Fourth Proportional to 234,542,973.58, 323,669,177.73 and 128,697,083.86

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Solution

The fourth proportional to 234,542,973.58, 323,669,177.73 and 128,697,083.86 is: 177,601,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,542,973.58 : 323,669,177.73 = 128,697,083.86 : x
  2. Step 2: Convert to fraction form
    234,542,973.58/323,669,177.73 = 128,697,083.86/x
  3. Step 3: Cross multiply
    234,542,973.58x = 323,669,177.73 × 128,697,083.86
  4. Step 4: Simplify right side
    234,542,973.58x = 41,655,279,309,215,056
  5. Step 5: Solve for x
    x = 41,655,279,309,215,056/234,542,973.58
  6. Step 6: Final answer
    x = 177,601,906.69

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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.