Home / 198,151,676.19-297,109,767.12-75,338,983.51

Finding the Fourth Proportional to 198,151,676.19, 297,109,767.12 and 75,338,983.51

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Solution

The fourth proportional to 198,151,676.19, 297,109,767.12 and 75,338,983.51 is: 112,963,706.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,151,676.19 : 297,109,767.12 = 75,338,983.51 : x
  2. Step 2: Convert to fraction form
    198,151,676.19/297,109,767.12 = 75,338,983.51/x
  3. Step 3: Cross multiply
    198,151,676.19x = 297,109,767.12 × 75,338,983.51
  4. Step 4: Simplify right side
    198,151,676.19x = 22,383,947,845,713,624
  5. Step 5: Solve for x
    x = 22,383,947,845,713,624/198,151,676.19
  6. Step 6: Final answer
    x = 112,963,706.77

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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.