Home / 234,289,203.12-323,312,093.19-128,438,998.27

Finding the Fourth Proportional to 234,289,203.12, 323,312,093.19 and 128,438,998.27

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Solution

The fourth proportional to 234,289,203.12, 323,312,093.19 and 128,438,998.27 is: 177,241,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,289,203.12 : 323,312,093.19 = 128,438,998.27 : x
  2. Step 2: Convert to fraction form
    234,289,203.12/323,312,093.19 = 128,438,998.27/x
  3. Step 3: Cross multiply
    234,289,203.12x = 323,312,093.19 × 128,438,998.27
  4. Step 4: Simplify right side
    234,289,203.12x = 41,525,881,377,900,488
  5. Step 5: Solve for x
    x = 41,525,881,377,900,488/234,289,203.12
  6. Step 6: Final answer
    x = 177,241,976.26

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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.