Home / 198,151,676.08-297,109,766.93-75,338,983.39

Finding the Fourth Proportional to 198,151,676.08, 297,109,766.93 and 75,338,983.39

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Solution

The fourth proportional to 198,151,676.08, 297,109,766.93 and 75,338,983.39 is: 112,963,706.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,151,676.08 : 297,109,766.93 = 75,338,983.39 : x
  2. Step 2: Convert to fraction form
    198,151,676.08/297,109,766.93 = 75,338,983.39/x
  3. Step 3: Cross multiply
    198,151,676.08x = 297,109,766.93 × 75,338,983.39
  4. Step 4: Simplify right side
    198,151,676.08x = 22,383,947,793,883,800
  5. Step 5: Solve for x
    x = 22,383,947,793,883,800/198,151,676.08
  6. Step 6: Final answer
    x = 112,963,706.58

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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.