Home / 161,813,975,363.10-242,557,704,369.45-73,545,451,638.30

Finding the Fourth Proportional to 161,813,975,363.10, 242,557,704,369.45 and 73,545,451,638.30

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Solution

The fourth proportional to 161,813,975,363.10, 242,557,704,369.45 and 73,545,451,638.30 is: 110,243,975,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,813,975,363.10 : 242,557,704,369.45 = 73,545,451,638.30 : x
  2. Step 2: Convert to fraction form
    161,813,975,363.10/242,557,704,369.45 = 73,545,451,638.30/x
  3. Step 3: Cross multiply
    161,813,975,363.10x = 242,557,704,369.45 × 73,545,451,638.30
  4. Step 4: Simplify right side
    161,813,975,363.10x = 17,839,015,916,200,454,520,832
  5. Step 5: Solve for x
    x = 17,839,015,916,200,454,520,832/161,813,975,363.10
  6. Step 6: Final answer
    x = 110,243,975,380.81

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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.