Home / 198,151,675.19-297,109,765.62-75,338,982.51

Finding the Fourth Proportional to 198,151,675.19, 297,109,765.62 and 75,338,982.51

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Solution

The fourth proportional to 198,151,675.19, 297,109,765.62 and 75,338,982.51 is: 112,963,705.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,151,675.19 : 297,109,765.62 = 75,338,982.51 : x
  2. Step 2: Convert to fraction form
    198,151,675.19/297,109,765.62 = 75,338,982.51/x
  3. Step 3: Cross multiply
    198,151,675.19x = 297,109,765.62 × 75,338,982.51
  4. Step 4: Simplify right side
    198,151,675.19x = 22,383,947,435,595,380
  5. Step 5: Solve for x
    x = 22,383,947,435,595,380/198,151,675.19
  6. Step 6: Final answer
    x = 112,963,705.27

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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.