Home / 238,245,792.44-328,728,188.57-139,081,537.17

Finding the Fourth Proportional to 238,245,792.44, 328,728,188.57 and 139,081,537.17

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Solution

The fourth proportional to 238,245,792.44, 328,728,188.57 and 139,081,537.17 is: 191,902,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,245,792.44 : 328,728,188.57 = 139,081,537.17 : x
  2. Step 2: Convert to fraction form
    238,245,792.44/328,728,188.57 = 139,081,537.17/x
  3. Step 3: Cross multiply
    238,245,792.44x = 328,728,188.57 × 139,081,537.17
  4. Step 4: Simplify right side
    238,245,792.44x = 45,720,021,776,729,808
  5. Step 5: Solve for x
    x = 45,720,021,776,729,808/238,245,792.44
  6. Step 6: Final answer
    x = 191,902,745.94

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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.