Home / 258,784,299.27-388,105,746.35-92,756,858.66

Finding the Fourth Proportional to 258,784,299.27, 388,105,746.35 and 92,756,858.66

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Solution

The fourth proportional to 258,784,299.27, 388,105,746.35 and 92,756,858.66 is: 139,109,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,784,299.27 : 388,105,746.35 = 92,756,858.66 : x
  2. Step 2: Convert to fraction form
    258,784,299.27/388,105,746.35 = 92,756,858.66/x
  3. Step 3: Cross multiply
    258,784,299.27x = 388,105,746.35 × 92,756,858.66
  4. Step 4: Simplify right side
    258,784,299.27x = 35,999,469,856,916,452
  5. Step 5: Solve for x
    x = 35,999,469,856,916,452/258,784,299.27
  6. Step 6: Final answer
    x = 139,109,945.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.