Home / 234,542,999.82-323,669,214.27-128,697,110.13

Finding the Fourth Proportional to 234,542,999.82, 323,669,214.27 and 128,697,110.13

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Solution

The fourth proportional to 234,542,999.82, 323,669,214.27 and 128,697,110.13 is: 177,601,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,542,999.82 : 323,669,214.27 = 128,697,110.13 : x
  2. Step 2: Convert to fraction form
    234,542,999.82/323,669,214.27 = 128,697,110.13/x
  3. Step 3: Cross multiply
    234,542,999.82x = 323,669,214.27 × 128,697,110.13
  4. Step 4: Simplify right side
    234,542,999.82x = 41,655,292,514,596,752
  5. Step 5: Solve for x
    x = 41,655,292,514,596,752/234,542,999.82
  6. Step 6: Final answer
    x = 177,601,943.13

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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.