Home / 216,018,718.60-298,105,822.50-116,899,469.08

Finding the Fourth Proportional to 216,018,718.60, 298,105,822.50 and 116,899,469.08

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Solution

The fourth proportional to 216,018,718.60, 298,105,822.50 and 116,899,469.08 is: 161,321,262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,018,718.60 : 298,105,822.50 = 116,899,469.08 : x
  2. Step 2: Convert to fraction form
    216,018,718.60/298,105,822.50 = 116,899,469.08/x
  3. Step 3: Cross multiply
    216,018,718.60x = 298,105,822.50 × 116,899,469.08
  4. Step 4: Simplify right side
    216,018,718.60x = 34,848,412,379,906,716
  5. Step 5: Solve for x
    x = 34,848,412,379,906,716/216,018,718.60
  6. Step 6: Final answer
    x = 161,321,262.37

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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.