Home / 233,177,638.54-321,668,916.36-139,025,383.42

Finding the Fourth Proportional to 233,177,638.54, 321,668,916.36 and 139,025,383.42

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Solution

The fourth proportional to 233,177,638.54, 321,668,916.36 and 139,025,383.42 is: 191,785,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,177,638.54 : 321,668,916.36 = 139,025,383.42 : x
  2. Step 2: Convert to fraction form
    233,177,638.54/321,668,916.36 = 139,025,383.42/x
  3. Step 3: Cross multiply
    233,177,638.54x = 321,668,916.36 × 139,025,383.42
  4. Step 4: Simplify right side
    233,177,638.54x = 44,720,144,431,244,912
  5. Step 5: Solve for x
    x = 44,720,144,431,244,912/233,177,638.54
  6. Step 6: Final answer
    x = 191,785,733.45

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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.