Home / 198,151,706.10-297,109,811.52-75,339,013.26

Finding the Fourth Proportional to 198,151,706.10, 297,109,811.52 and 75,339,013.26

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Solution

The fourth proportional to 198,151,706.10, 297,109,811.52 and 75,339,013.26 is: 112,963,751.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,151,706.10 : 297,109,811.52 = 75,339,013.26 : x
  2. Step 2: Convert to fraction form
    198,151,706.10/297,109,811.52 = 75,339,013.26/x
  3. Step 3: Cross multiply
    198,151,706.10x = 297,109,811.52 × 75,339,013.26
  4. Step 4: Simplify right side
    198,151,706.10x = 22,383,960,029,781,380
  5. Step 5: Solve for x
    x = 22,383,960,029,781,380/198,151,706.10
  6. Step 6: Final answer
    x = 112,963,751.21

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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.