Home / 99,162,801.80-148,744,202.70-53,813,169.80

Finding the Fourth Proportional to 99,162,801.80, 148,744,202.70 and 53,813,169.80

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Solution

The fourth proportional to 99,162,801.80, 148,744,202.70 and 53,813,169.80 is: 80,719,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,162,801.80 : 148,744,202.70 = 53,813,169.80 : x
  2. Step 2: Convert to fraction form
    99,162,801.80/148,744,202.70 = 53,813,169.80/x
  3. Step 3: Cross multiply
    99,162,801.80x = 148,744,202.70 × 53,813,169.80
  4. Step 4: Simplify right side
    99,162,801.80x = 8,004,397,036,660,717
  5. Step 5: Solve for x
    x = 8,004,397,036,660,717/99,162,801.80
  6. Step 6: Final answer
    x = 80,719,754.70

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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.