Home / 234,664,531.92-323,853,422.04-155,141,428.92

Finding the Fourth Proportional to 234,664,531.92, 323,853,422.04 and 155,141,428.92

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Solution

The fourth proportional to 234,664,531.92, 323,853,422.04 and 155,141,428.92 is: 214,105,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,664,531.92 : 323,853,422.04 = 155,141,428.92 : x
  2. Step 2: Convert to fraction form
    234,664,531.92/323,853,422.04 = 155,141,428.92/x
  3. Step 3: Cross multiply
    234,664,531.92x = 323,853,422.04 × 155,141,428.92
  4. Step 4: Simplify right side
    234,664,531.92x = 50,243,082,655,917,424
  5. Step 5: Solve for x
    x = 50,243,082,655,917,424/234,664,531.92
  6. Step 6: Final answer
    x = 214,105,993.12

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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.