Home / 238,246,224.06-328,728,789.68-139,081,969.20

Finding the Fourth Proportional to 238,246,224.06, 328,728,789.68 and 139,081,969.20

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Solution

The fourth proportional to 238,246,224.06, 328,728,789.68 and 139,081,969.20 is: 191,903,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,246,224.06 : 328,728,789.68 = 139,081,969.20 : x
  2. Step 2: Convert to fraction form
    238,246,224.06/328,728,789.68 = 139,081,969.20/x
  3. Step 3: Cross multiply
    238,246,224.06x = 328,728,789.68 × 139,081,969.20
  4. Step 4: Simplify right side
    238,246,224.06x = 45,720,247,400,731,624
  5. Step 5: Solve for x
    x = 45,720,247,400,731,624/238,246,224.06
  6. Step 6: Final answer
    x = 191,903,345.29

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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.